/* ========================================================================
   Six One Inc. — C-slim
   Static stylesheet for six1.jp
   Extracted from the design canvas (Variation D / "C · slim").
   ======================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@200;300;400;500;600;700;800&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&family=Marcellus&family=Shippori+Mincho:wght@400;500;600&display=swap');

:root {
  --bg: #F6F4EE;
  --bg-deep: #ECE9DE;
  --text: #14171C;
  --text-soft: #2A2E36;
  --muted: #7C7F86;
  --muted-2: #ADAFB4;
  --hairline: #DEDACB;
  --hairline-strong: #C2BCA8;
  --ink: oklch(38% 0.06 252);

  --serif-en: "Marcellus", "Times New Roman", serif;
  --serif-jp: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --jp: "Zen Kaku Gothic New", -apple-system, sans-serif;
  --en: "Manrope", -apple-system, sans-serif;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif-jp);
  font-feature-settings: "palt";
  line-height: 1.9;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}

ul, ol { list-style: none; }
a { color: inherit; }
button { border: none; background: transparent; cursor: pointer; font: inherit; color: inherit; }

/* ── Frame skeleton ─────────────────────────────────────── */
.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.header {
  padding: 32px 64px 28px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: 48px;
  border-bottom: 0.5px solid var(--hairline);
}

.wordmark {
  font-family: var(--serif-en);
  font-size: 17px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.header-nav {
  display: flex;
  gap: 36px;
  justify-content: center;
}

.header-nav a {
  font-family: var(--serif-en);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-decoration: none;
  position: relative;
  padding-bottom: 4px;
  transition: color .25s;
}

.header-nav a:hover { color: var(--ink); }

.header-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 0.5px;
  background: var(--ink);
  transition: width .3s, left .3s;
}

.header-nav a:hover::after { width: 100%; left: 0; }
.header-nav a[aria-current="page"]::after { width: 100%; left: 0; }
.header-nav a[aria-current="page"] { color: var(--ink); }

.mark {
  font-family: var(--serif-en);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-align: right;
}

.main { padding: 0 64px; }

.footer {
  padding: 40px 64px 36px;
  border-top: 0.5px solid var(--hairline);
  display: flex;
  justify-content: center;
}

.copyright {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  padding: 200px 0 180px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-display {
  font-family: var(--serif-en);
  font-size: 144px;
  line-height: 1.0;
  letter-spacing: 0.02em;
  font-weight: 400;
  margin-bottom: 48px;
}

.hero-divider {
  width: 1px;
  height: 56px;
  background: var(--text);
  margin: 0 auto 48px;
}

.hero-jp {
  font-family: var(--serif-jp);
  font-size: 17px;
  letter-spacing: 0.18em;
  line-height: 2.4;
  color: var(--text);
  font-weight: 500;
}

/* ── Inner page head ───────────────────────────────────── */
.page-head {
  padding: 64px 0 36px;
  text-align: center;
  margin-bottom: 56px;
  border-bottom: 0.5px solid var(--hairline);
}

.page-title {
  font-family: var(--serif-en);
  font-size: 56px;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.0;
  margin-bottom: 16px;
}

.page-jp {
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--muted);
  font-weight: 500;
}

/* ── Portrait (Profile) ─────────────────────────────────── */
.content--profile { max-width: 760px; }

.bio-spread {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 8px;
}

.bio-portrait {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.portrait-placeholder {
  width: 240px;
  height: 300px;
  border: 0.5px solid var(--hairline-strong);
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.portrait-caption {
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: 0.06em;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 8px;
  border-top: 0.5px solid var(--hairline-strong);
}

.portrait-caption span {
  font-family: var(--serif-jp);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-weight: 500;
}

.bio-text p {
  font-family: var(--serif-jp);
  font-size: 15px;
  line-height: 2.1;
  margin-bottom: 1.6em;
  letter-spacing: 0.04em;
}

.bio-text p:last-child { margin-bottom: 0; }

/* ── Content ────────────────────────────────────────────── */
.content {
  max-width: 640px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.content p {
  font-family: var(--serif-jp);
  font-size: 15px;
  line-height: 2.2;
  margin-bottom: 1.8em;
  letter-spacing: 0.05em;
}

.section { margin-top: 72px; }

.section-label {
  font-family: var(--serif-en);
  font-size: 20px;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 0.5px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.section-label small {
  font-family: var(--serif-jp);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
  font-weight: 500;
}

.section ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0;
}

.section li {
  font-family: var(--serif-jp);
  font-size: 15px;
  line-height: 1.95;
  padding-left: 20px;
  position: relative;
  letter-spacing: 0.04em;
}

.section li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ink);
}

.link {
  font-family: var(--serif-en);
  font-size: 14px;
  word-break: break-all;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 0.3em;
  letter-spacing: 0.02em;
}

/* ── About data ─────────────────────────────────────────── */
.data { display: flex; flex-direction: column; }

.data-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  padding: 28px 0;
  border-top: 0.5px solid var(--hairline);
  align-items: baseline;
}

.data-row:last-child { border-bottom: 0.5px solid var(--hairline); }

.data-key {
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.data-val {
  font-family: var(--serif-jp);
  font-size: 15px;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

.data-val em {
  font-family: var(--serif-en);
  font-style: normal;
  font-size: 17px;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-right: 14px;
}

/* ── News list ──────────────────────────────────────────── */
.content--news { max-width: 720px; }

.news-list {
  padding: 0;
  margin: 0;
  border-top: 0.5px solid var(--hairline);
}

.news-item { border-bottom: 0.5px solid var(--hairline); }

.news-item a {
  display: grid;
  grid-template-columns: 140px 1fr 24px;
  gap: 40px;
  align-items: baseline;
  padding: 26px 0 26px 8px;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: padding .25s ease, color .25s ease;
}

.news-item a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 0.5px;
  background: var(--ink);
  transform: translateY(-50%);
  transition: width .3s ease;
}

.news-item a::after {
  content: "→";
  font-family: var(--serif-en);
  font-size: 16px;
  color: var(--muted-2);
  justify-self: end;
  transform: translateX(-6px);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease, color .3s ease;
}

.news-item a:hover { padding-left: 28px; color: var(--ink); }
.news-item a:hover::before { width: 18px; }
.news-item a:hover::after { transform: translateX(0); opacity: 1; color: var(--ink); }

.news-date {
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.news-title {
  font-family: var(--serif-jp);
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

/* ── Contact form ───────────────────────────────────────── */
.form { max-width: 560px; margin: 0 auto; }

.form-note {
  font-family: var(--serif-jp);
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 72px;
  line-height: 2.1;
  text-align: center;
  letter-spacing: 0.06em;
}

.field {
  margin-bottom: 44px;
  border-bottom: 0.5px solid var(--hairline-strong);
  padding-bottom: 10px;
  transition: border-color .2s;
}

.field:focus-within { border-bottom-color: var(--ink); }

.field label {
  display: block;
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 12px;
}

.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  padding: 6px 0 10px;
  font-family: var(--serif-jp);
  font-size: 16px;
  color: var(--text);
  outline: none;
  letter-spacing: 0.04em;
}

.field textarea { resize: none; min-height: 120px; line-height: 1.85; }

.submit-wrap { text-align: center; margin-top: 56px; }

.submit {
  display: inline-block;
  padding: 16px 64px;
  background: transparent;
  border: 0.5px solid var(--text);
  color: var(--text);
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: 0.16em;
  position: relative;
  overflow: hidden;
  transition: color .3s;
  z-index: 0;
  cursor: pointer;
}

.submit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s cubic-bezier(.7,.0,.2,1);
  z-index: -1;
}

.submit:hover { color: var(--bg); }
.submit:hover::before { transform: scaleX(1); transform-origin: left; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 720px) {
  .header { padding: 24px 24px 20px; grid-template-columns: 1fr auto; }
  .header-nav { grid-column: 1 / -1; order: 3; gap: 20px; flex-wrap: wrap; justify-content: flex-start; }
  .main { padding: 0 24px; }
  .footer { padding: 32px 24px 24px; }
  .hero { padding: 120px 0 100px; }
  .hero-display { font-size: 72px; }
  .page-title { font-size: 40px; }
  .bio-spread { grid-template-columns: 1fr; gap: 32px; }
  .portrait-placeholder { width: 100%; max-width: 240px; }
  .data-row { grid-template-columns: 1fr; gap: 8px; }
  .news-item a { grid-template-columns: 100px 1fr 20px; gap: 16px; }
}