:root {
  --ink: #263a31;
  --ink-soft: #4f6258;
  --muted: #78867c;
  --paper: #f7f8f0;
  --surface: #fffdf7;
  --line: #dfe5d9;
  --leaf: #446b58;
  --leaf-deep: #2f4d3f;
  --leaf-soft: #e7efe7;
  --sun: #d7b46a;
  --sun-soft: #f3ead4;
  --coral: #b97863;
  --shadow: 0 24px 60px rgba(47, 77, 63, .10);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-head {
  position: sticky; top: 0; z-index: 20;
  background: rgba(247, 248, 240, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223, 229, 217, .8);
}
.site-head .wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 40px; height: 40px; border-radius: 11px; }
.brand b { display: block; font-size: 17px; letter-spacing: .08em; }
.brand span { display: block; color: var(--muted); font-size: 8px; letter-spacing: .22em; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 13px; color: var(--ink-soft); }
.nav a { padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a.active { color: var(--leaf-deep); border-bottom-color: var(--sun); }
.hero { position: relative; overflow: hidden; padding: 78px 0 64px; }
.hero::before {
  content: ""; position: absolute; width: 560px; height: 560px; right: -170px; top: -230px;
  border-radius: 50%; background: radial-gradient(circle, #e6efe3 0%, rgba(230, 239, 227, 0) 68%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 54px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--leaf); font-size: 10px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 0 4px var(--sun-soft); }
.hero h1 { margin: 18px 0 16px; font-size: clamp(38px, 5.8vw, 68px); line-height: 1.12; letter-spacing: -.04em; font-weight: 800; }
.hero h1 em { color: var(--leaf); font-style: normal; }
.hero p { max-width: 540px; margin: 0; color: var(--ink-soft); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: 999px; font-size: 13px; font-weight: 700; border: 1px solid transparent; transition: .2s ease; }
.btn-primary { color: #fffdf7; background: var(--leaf); box-shadow: 0 10px 24px rgba(68, 107, 88, .2); }
.btn-primary:hover { background: var(--leaf-deep); transform: translateY(-1px); }
.btn-soft { color: var(--leaf-deep); background: var(--surface); border-color: var(--line); }
.btn-soft:hover { border-color: var(--leaf); }
.hero-art { position: relative; display: grid; place-items: center; min-height: 390px; }
.hero-art::before { content: ""; position: absolute; inset: 8% 4%; border-radius: 46% 54% 48% 52%; background: var(--leaf-soft); transform: rotate(-6deg); }
.hero-art img { position: relative; width: min(310px, 80%); filter: drop-shadow(0 24px 28px rgba(47, 77, 63, .16)); }
.art-note { position: absolute; right: 0; bottom: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 15px; box-shadow: var(--shadow); font-size: 12px; font-weight: 700; transform: rotate(2deg); }
.art-note small { display: block; color: var(--muted); font-size: 9px; font-weight: 400; margin-top: 2px; }
.section { padding: 62px 0; }
.section-head { max-width: 660px; margin-bottom: 28px; }
.section-head h2 { margin: 12px 0 8px; font-size: clamp(26px, 3.5vw, 38px); line-height: 1.2; letter-spacing: -.03em; }
.section-head p { margin: 0; color: var(--muted); font-size: 14px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 8px 26px rgba(47, 77, 63, .04); }
.card .ico { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--leaf-soft); font-size: 21px; margin-bottom: 14px; }
.card h3 { margin: 0 0 7px; font-size: 16px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.8; }
.quote-band { background: var(--leaf-deep); color: #f7f4e8; border-radius: var(--radius); padding: 34px 38px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.quote-band p { margin: 0; max-width: 680px; font-size: clamp(18px, 2.4vw, 26px); line-height: 1.5; font-weight: 700; }
.quote-band span { color: #c9d9c9; font-size: 11px; white-space: nowrap; }
.page-hero { padding: 62px 0 28px; }
.page-hero h1 { margin: 12px 0 10px; font-size: clamp(34px, 5vw, 54px); line-height: 1.15; letter-spacing: -.04em; }
.page-hero p { margin: 0; max-width: 700px; color: var(--ink-soft); font-size: 15px; }
.content { padding: 20px 0 66px; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.prose { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.prose h2 { margin: 0 0 10px; font-size: 19px; }
.prose h3 { margin: 22px 0 6px; font-size: 14px; }
.prose p, .prose li { color: var(--ink-soft); font-size: 12.5px; }
.prose ul { padding-left: 18px; margin: 8px 0 0; }
.prose li { margin: 4px 0; }
.notice { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--sun-soft); color: #6f5730; font-size: 11px; line-height: 1.8; }
.contact-list { display: grid; gap: 10px; margin-top: 18px; }
.contact-item { display: flex; justify-content: space-between; gap: 12px; padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 12px; }
.contact-item span { color: var(--muted); }
.contact-item b { text-align: right; font-weight: 600; }
.site-foot { border-top: 1px solid var(--line); padding: 28px 0 34px; color: var(--muted); font-size: 10px; }
.foot-top { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 14px; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--leaf); }
.legal { line-height: 1.9; }
.placeholder { color: var(--coral); font-weight: 600; }
@media (max-width: 820px) {
  .hero { padding: 46px 0 34px; }
  .hero-grid { grid-template-columns: 1fr; gap: 22px; }
  .hero-art { min-height: 270px; order: -1; }
  .hero-art img { width: 190px; }
  .art-note { right: 8%; bottom: 2px; }
  .cards, .content-grid { grid-template-columns: 1fr; }
  .nav { gap: 12px; font-size: 11px; }
  .nav a:first-child { display: none; }
  .brand span { display: none; }
  .quote-band { flex-direction: column; align-items: flex-start; padding: 26px; }
  .section { padding: 42px 0; }
}
@media (max-width: 520px) {
  .wrap { width: calc(100% - 30px); }
  .site-head .wrap { min-height: 64px; }
  .brand img { width: 34px; height: 34px; }
  .brand b { font-size: 14px; }
  .nav { gap: 9px; font-size: 10px; }
  .hero h1 { font-size: 35px; }
  .hero p { font-size: 13px; }
  .btn { min-height: 40px; padding: 0 15px; font-size: 11px; }
  .card, .prose { padding: 20px; }
  .page-hero h1 { font-size: 34px; }
}

/* personal notebook illustration */
.hero-art .journal-paper {
  position: relative;
  width: min(330px, 84%);
  min-height: 290px;
  padding: 28px 28px 34px;
  border: 1px solid #e1d9c8;
  border-radius: 8px 20px 20px 8px;
  background:
    repeating-linear-gradient(180deg, transparent 0 31px, rgba(111, 135, 116, .12) 31px 32px),
    #fffdf7;
  box-shadow: 18px 20px 0 rgba(68, 107, 88, .08), var(--shadow);
  transform: rotate(-3deg);
  text-align: left;
}
.hero-art .journal-paper::before {
  content: "";
  position: absolute;
  left: 12px; top: 0; bottom: 0; width: 1px;
  background: rgba(185, 120, 99, .28);
}
.hero-art .journal-paper .jp-date {
  display: block;
  color: var(--coral);
  font-size: 11px;
  letter-spacing: .12em;
  font-weight: 700;
}
.hero-art .journal-paper h3 {
  margin: 16px 0 12px;
  font-size: 23px;
  line-height: 1.5;
  letter-spacing: -.03em;
  color: var(--ink);
}
.hero-art .journal-paper p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.9;
}
.hero-art .journal-paper i {
  display: block;
  width: 100%; height: 1px; margin-top: 13px;
  background: rgba(111, 135, 116, .15);
}
.hero-art .journal-pencil {
  position: absolute;
  right: 4%; top: 12%;
  font-size: 38px;
  color: var(--coral);
  transform: rotate(14deg);
  opacity: .75;
}
@media (max-width: 820px) {
  .hero-art .journal-paper { width: min(310px, 88%); min-height: 250px; padding: 23px; }
  .hero-art .journal-pencil { right: 3%; top: 5%; font-size: 31px; }
}
.legal-link { color: inherit; text-decoration: none; border-bottom: 1px solid currentColor; }
.legal-link:hover { color: var(--ink); }