:root {
  --bg: #fffaeb;
  --bg-2: #fff;
  --fg: #4a3b1f;
  --muted: #8a7a55;
  --main: #f5b800;
  --main-soft: #fff1b5;
  --main-deep: #d99a00;
  --pink: #ff9ec9;
  --pink-soft: #ffe0ee;
  --mint: #6fe0c2;
  --mint-soft: #d8f5ea;
  --orange: #ff9a4d;
  --orange-soft: #ffdfc2;
  --purple: #b39bff;
  --purple-soft: #ece4ff;
  --border: #f3ead0;
  --shadow: 0 10px 30px rgba(245, 184, 0, 0.22);
  --shadow-soft: 0 6px 18px rgba(168, 132, 38, 0.12);
  --radius: 22px;
  --max: 980px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Zen Maru Gothic", "Quicksand", "Hiragino Maru Gothic ProN",
    "Yu Gothic UI", "Noto Sans JP", sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--main-deep); text-decoration: none; font-weight: 700; }
a:hover { text-decoration: underline wavy; text-underline-offset: 4px; }

/* Background blobs */
.bg-deco {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
  animation: drift 18s ease-in-out infinite;
}
.blob-1 {
  width: 360px; height: 360px;
  background: var(--main-soft);
  top: -80px; left: -80px;
}
.blob-2 {
  width: 320px; height: 320px;
  background: var(--orange-soft);
  top: 30%; right: -100px;
  animation-delay: -6s;
}
.blob-3 {
  width: 280px; height: 280px;
  background: var(--mint-soft);
  bottom: -80px; left: 20%;
  animation-delay: -12s;
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(20px, -20px) scale(1.08); }
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  padding: 24px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-family: "Quicksand", "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  background: var(--bg-2);
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  transition: transform 0.2s ease;
}
.brand:hover {
  text-decoration: none;
  transform: translateY(-2px) rotate(-1deg);
}
.brand-mark {
  color: var(--main);
  font-size: 18px;
  animation: spin 6s linear infinite;
  display: inline-block;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.brand-text em {
  color: var(--main-deep);
  font-style: normal;
  margin-left: 6px;
  font-weight: 900;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--fg);
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, color 0.2s ease;
}
.nav-link:hover {
  text-decoration: none;
  transform: translateY(-2px) rotate(1deg);
  color: var(--main-deep);
}
.nav-link svg {
  display: block;
}
@media (max-width: 480px) {
  .nav-link-text { display: none; }
  .nav-link { padding: 10px 12px; }
}

/* Main */
.site-main {
  padding: 32px 0 80px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 32px 0 24px;
  margin-bottom: 32px;
}
.hero-eyebrow {
  display: inline-block;
  color: var(--main-deep);
  background: var(--main-soft);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
}
.hero-title {
  font-size: clamp(30px, 5.5vw, 52px);
  line-height: 1.35;
  margin: 0 0 22px;
  letter-spacing: 0.02em;
  font-weight: 900;
}
.hero-accent {
  display: inline-block;
  background: linear-gradient(120deg, var(--main) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  padding: 0 4px;
  transform: rotate(-2deg);
}
.hero-accent::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: -4px;
  height: 10px;
  background: var(--main-soft);
  border-radius: 999px;
  z-index: -1;
}
.hero-lead {
  color: var(--muted);
  margin: 0 auto;
  font-size: 16px;
  max-width: 560px;
}

/* Sections */
section + section {
  margin-top: 56px;
}
h2 {
  font-size: 24px;
  margin: 0 0 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  position: relative;
}
h2::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 8px;
  background: var(--main-soft);
  border-radius: 999px;
  z-index: -1;
}
h2 .emoji {
  font-size: 22px;
}
h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--fg);
  font-weight: 900;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
p { margin: 0 0 14px; color: var(--fg); }
strong { color: var(--main-deep); font-weight: 900; }
em { font-style: normal; color: var(--orange); font-weight: 700; }

/* About / Focus panels */
.about, .focus {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-soft);
}

/* Focus list — cards */
.focus-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}
@media (min-width: 720px) {
  .focus-list { grid-template-columns: 1fr 1fr 1fr; }
}
.card {
  border-radius: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.card:hover {
  transform: translateY(-4px) rotate(-0.8deg);
  box-shadow: var(--shadow);
}
.card-rose  { background: #ffe0ee; }
.card-mint  { background: #d8f5ea; }
.card-lilac { background: #ece4ff; }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: var(--bg-2);
  border-radius: 14px;
  font-size: 22px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-soft);
}
.card p {
  color: var(--muted);
  margin: 0;
  font-size: 14.5px;
}

/* Note */
.note {
  margin-top: 56px;
  padding: 18px 22px;
  background: var(--bg-2);
  border: 2px dashed var(--main-soft);
  border-radius: var(--radius);
  text-align: center;
}
.note-text {
  color: var(--muted);
  margin: 0;
  font-size: 14px;
}

/* Inline code */
code {
  background: var(--main-soft);
  color: var(--main-deep);
  padding: 1px 7px;
  border-radius: 7px;
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
  font-size: 0.88em;
  font-weight: 700;
}

/* Projects section (homepage) */
.projects {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-soft);
}
.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}
.project-card {
  background: linear-gradient(135deg, var(--main-soft) 0%, var(--orange-soft) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.project-card:hover {
  transform: translateY(-4px) rotate(-0.5deg);
  box-shadow: var(--shadow);
}
.project-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.project-emoji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  background: var(--bg-2);
  border-radius: 16px;
  font-size: 26px;
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
}
.project-card-head h3 { margin: 0 0 2px; font-size: 18px; }
.project-tagline {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 700;
}
.project-desc {
  color: var(--fg);
  font-size: 14.5px;
  margin: 0 0 14px;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}
.tag {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.project-links-center { justify-content: center; margin-top: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid transparent;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.btn-main {
  background: var(--main);
  color: #4a3b1f;
  box-shadow: var(--shadow-soft);
}
.btn-ghost {
  background: var(--bg-2);
  color: var(--main-deep);
  border-color: var(--border);
}

/* Project detail page */
.page-back { margin: 8px 0 24px; }
.page-back a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow-soft);
}
.page-back a:hover { text-decoration: none; transform: translateY(-2px); }
.project-hero { padding: 16px 0 20px; margin-bottom: 32px; }
@media (min-width: 720px) {
  .focus-list.focus-list-2 { grid-template-columns: 1fr 1fr; }
}

/* Footer */
.site-footer {
  padding: 24px 0 32px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.site-footer p { margin: 0; color: var(--muted); }
.footer-links {
  margin: 0 0 8px !important;
}
.footer-links a {
  color: var(--main-deep);
}

@media (max-width: 560px) {
  .about, .focus { padding: 22px 18px; }
  h2::after { left: 4px; right: 4px; }
}

/* Language toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  box-shadow: var(--shadow-soft);
}
.lang-toggle button {
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: "Quicksand", "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  padding: 6px 13px;
  border-radius: 999px;
  line-height: 1;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.lang-toggle button:hover {
  transform: translateY(-1px) rotate(-1deg);
  color: var(--main-deep);
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--main-soft);
  color: var(--main-deep);
}

/* Language visibility — controlled by <html lang> */
[data-i18n] { display: none; }
html[lang="ja"] [data-i18n="ja"] { display: revert; }
html[lang="en"] [data-i18n="en"] { display: revert; }

@media (max-width: 480px) {
  .lang-toggle button { padding: 6px 10px; }
}