/* เลย์เอาต์กลางของหน้าในเมนู รอบนี้ยังไม่แต่งดีไซน์รายหน้า */
@font-face {
  font-family: "LINE Seed Sans TH";
  src: url("../fonts/LINESeedSansTH_W_Rg.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed Sans TH";
  src: url("../fonts/LINESeedSansTH_W_Bd.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #ececec;
  --ink: #111;
  --mute: #4d4d4d;
  --brand: #9e5da5;
  --brand-dark: #7d4485;
  --line: #d7d7d7;
  --g: clamp(16px, 2.2vw, 32px);
  --f: "LINE Seed Sans TH", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f);
  font-size: 16px;
  line-height: 1.6;
}

.sheet a { color: var(--brand-dark); }

.sheet img { max-width: 100%; height: auto; }

/* ซ่อนทั้งก้อน ถ้าดันขึ้นแค่ 40px กล่องสูงกว่านั้น ขอบขาวจะโผล่เหนือไอคอน */
.skip {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 60;
  transform: translateY(-200%);
  background: #fff;
  padding: 8px 12px;
}

.skip:focus { transform: none; }

/* เมนูเดียวกับหน้าแรก: กล่องโลโก้ซ้าย รายการแนวตั้ง แผงย่อยทางขวา */
.chrome { position: fixed; inset: 0; z-index: 50; pointer-events: none; }

.chrome > * { position: absolute; pointer-events: auto; }

.logo-v {
  left: var(--g);
  top: var(--g);
  width: 52px;
  height: 136px;
  z-index: 2;
  perspective: 600px;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #0001;
  box-shadow: inset 0 1px 0 #ffffff80, 0 10px 30px #0002;
}

.logo-v .cube { position: relative; display: block; width: 52px; height: 136px; transform-style: preserve-3d; }

.logo-v .f {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 5px;
  color: #111;
  background: #fff;
  backface-visibility: hidden;
}

.logo-v .f1 { transform: translateZ(26px); gap: 14px; padding: 6px 5px 12px; }

.logo-v .f2 { transform: rotateY(90deg) translateZ(26px); }

.logo-v .f3 { transform: rotateY(180deg) translateZ(26px); gap: 14px; padding: 6px 5px 12px; }

.logo-v .f4 { transform: rotateY(-90deg) translateZ(26px); }

.logo-v img { width: 42px; height: 42px; object-fit: contain; }

.logo-v b, .logo-v small { writing-mode: vertical-rl; transform: rotate(180deg); }

.logo-v b { font: 700 16px/1 var(--f); letter-spacing: 0.04em; }

.logo-v small { margin: auto; font-size: 11px; line-height: 1.45; }

.menu { left: calc(var(--g) + 80px); top: var(--g); z-index: 5; }

.menu ul { list-style: none; margin: 0; padding: 0; }

.menu a { color: inherit; text-decoration: none; }

.menu .side {
  position: relative;
  width: 260px;
  padding: 10px;
  border-radius: 8px;
  color: var(--ink);
  box-shadow: 0 12px 30px #0002;
}

.menu .side::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: #ffffff99;
  border: 1px solid #ffffff66;
  backdrop-filter: blur(14px) saturate(1.4);
}

.menu .side > li > a,
.menu .side > li > button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: inherit;
  font: 500 17px/1.2 var(--f);
  text-align: left;
  cursor: pointer;
}

.menu .side > li > button::after { content: "→"; color: #666; }

.menu .side > li > [aria-expanded="true"],
.menu .side > li > a:hover { background: #ffffffc0; color: var(--brand-dark); }

.menu .menu-toggle {
  position: absolute;
  left: -80px;
  top: 0;
  width: 52px;
  height: 136px;
  display: none;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: none;
  font-size: 0;
  cursor: pointer;
}

.menu .menu-toggle::before {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  box-shadow: 0 4px 10px #0004;
  background:
    linear-gradient(#fff 0 0) 50% 8px / 12px 2px no-repeat,
    linear-gradient(#fff 0 0) 50% 12px / 12px 2px no-repeat,
    linear-gradient(#fff 0 0) 50% 16px / 12px 2px no-repeat,
    var(--brand);
}

.menu .menu-toggle:hover::before,
.menu .menu-toggle[aria-expanded="true"]::before { background-color: var(--brand-dark); }

.menu .menu-toggle::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 0;
  width: 30px;
  height: 100%;
}

.menu .drop {
  position: absolute;
  left: calc(100% + 12px);
  top: 0;
  width: min(820px, calc(100vw - 2 * var(--g) - 360px));
  border-radius: 8px;
  background: #ffffffeb;
  border: 1px solid #ffffff66;
  box-shadow: 0 24px 40px #0000002a;
  backdrop-filter: blur(14px) saturate(1.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.menu .drop.open { opacity: 1; visibility: visible; transform: none; }

.menu .drop.open::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 100%;
  width: 16px;
}

.menu .drop.instant { transition: none; }

.menu .drop-in { display: grid; grid-template-columns: 1fr auto; gap: 24px 32px; padding: 28px 32px; }

.menu .drop-intro,
.menu .cols { grid-column: 1; }

.menu .drop-intro h3 { margin: 0; font: 500 28px/1.15 var(--f); }

.menu .drop-intro p { color: #555; font-size: 14px; margin: 10px 0 18px; }

.menu .cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 28px; }

.menu .cols h4 { margin: 0 0 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: #666; }

.menu .cols a { display: block; padding: 6px 0; font-size: 15px; }

.menu .cols a:hover, .menu .drop-intro a:hover, .menu .feat:hover b { color: var(--brand-dark); }

.menu .feat { grid-column: 2; grid-row: 1 / 3; width: 220px; }

.menu .feat img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; }

.menu .feat b { display: block; margin-top: 10px; font-weight: 500; }

/* เนื้อหาเว้นที่เมนูกางไว้ตลอด ไม่ขยายตามตอนฟุตเตอร์โผล่ */
.sheet {
  max-width: none;
  margin: 0;
  padding: var(--g) var(--g) 48px calc(var(--g) + 380px);
}

.crumb { margin: 0 0 8px; color: var(--mute); font-size: 14px; }

h1 { margin: 0 0 16px; font-size: 32px; line-height: 1.25; font-weight: 700; }

.lead { font-size: 18px; }

.sheet h2 { margin: 28px 0 8px; font-size: 22px; }

.sheet p { margin: 0 0 12px; }

.sheet ul, .sheet ol { margin: 0 0 16px; padding-left: 1.2em; }

.gap {
  padding: 12px 14px;
  background: #fff;
  border: 1px dashed var(--brand);
  border-radius: 8px;
}

.rates, .specimens { width: 100%; border-collapse: collapse; background: #fff; margin: 0 0 16px; }

.rates th, .rates td, .specimens th, .specimens td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.rates th, .specimens th { background: #f6f0f7; }

.people { list-style: none; padding: 0; }

.people li {
  margin: 0 0 12px;
  padding: 12px 14px;
  background: #fff;
  border-radius: 8px;
}

.siblings { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--line); }

.siblings h2 { font-size: 16px; }

.siblings a { display: inline-block; margin: 0 12px 8px 0; }

.news-list { list-style: none; padding: 0; }

.news-list a {
  display: block;
  margin: 0 0 10px;
  padding: 12px 14px;
  background: #fff;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
}

.news-list .meta { margin: 0; color: var(--mute); font-size: 14px; }

.contact-form {
  display: grid;
  gap: 12px;
  max-width: 560px;
  margin-top: 8px;
}

.contact-form label { display: grid; gap: 4px; font-weight: 700; }

.contact-form input, .contact-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

.contact-form textarea { min-height: 120px; }

.contact-form .check { font-weight: 400; grid-template-columns: 24px 1fr; align-items: start; }

.contact-form button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.form-note { min-height: 1.4em; }

@media (max-width: 900px) {
  .sheet { padding: 16px 16px 48px; }

  /* มือถือ: เส้นทาง+หัวข้อขึ้นบนสุด อยู่ขวากล่องเมนู (16+52+ติ่ง 10 = 78 → เว้นซ้าย 72px เท่าแถบค้นหา)
     หัวข้อสูงอย่างน้อยถึงแนวล่างติ่งเมนู (~162px) เนื้อหาถัดไปจะได้ไม่อยู่ใต้/ทับเมนู */
  .sheet > .crumb, .sheet > h1 { padding-left: 72px; }
  /* line-height 1.5 ทับค่า 1.45 ของ css รายหน้าเฉพาะมือถือ หัวข้อยาวตัดบรรทัดแล้วสระ/วรรณยุกต์ไม่ชิดกัน */
  .sheet > h1 { min-height: 110px; line-height: 1.5 !important; }

  .menu { left: 60px; right: 16px; }

  /* มือถือ: ปุ่มเมนูเท่ากล่องโลโก้ 52x136 ติ่งอยู่มุมขวาล่างแบบจอคอม (39x102 เป็นขนาดของหน้าแรกที่ย่อโลโก้ .75) */
  .menu .menu-toggle { display: block; left: calc(var(--g) - 60px); width: 52px; height: 136px; }

  .menu .side {
    display: none;
    width: min(340px, 100%);
    max-height: calc(100vh - 100px);
    overflow: auto;
    background: #fffffff2;
  }

  .menu .side.expanded { display: block; }

  .menu .side::before { display: none; }

  .menu .drop {
    position: static;
    width: auto;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    border: 0;
    box-shadow: none;
  }

  .menu .drop.open { display: block; }

  .menu .drop-in { grid-template-columns: 1fr; gap: 12px; padding: 4px 14px 12px; }

  .menu .drop-intro h3, .menu .drop-intro p, .menu .feat { display: none; }

  .menu .cols { grid-template-columns: 1fr; gap: 12px; }
}

/* เลื่อนถึงฟุตเตอร์ (body.scrolled) เมนูหดเข้าติ่งโลโก้แบบหน้าแรก เนื้อหาไม่ขยับ */
@media (min-width: 901px) {
  .menu .side {
    transform-origin: -31px 133px;
    transition: transform .4s cubic-bezier(.2, .8, .2, 1), opacity .12s, visibility 0s;
  }

  body.scrolled .menu .menu-toggle { display: block; }

  /* กล่องที่รายการหดไปแล้วไม่รับเมาส์ ไม่งั้นชี้ทับฟุตเตอร์แล้วยังกางเอง */
  body.scrolled .menu { pointer-events: none; }

  body.scrolled .menu .menu-toggle,
  body.scrolled .menu .side { pointer-events: auto; }

  body.scrolled .menu .side {
    opacity: 0;
    visibility: hidden;
    transform: scale(.06);
    transition: transform .35s cubic-bezier(.5, 0, .75, 0) .15s, opacity .12s .38s, visibility 0s .5s;
  }

  body.scrolled .menu:is(:hover, :has(:focus-visible)) .side,
  body.scrolled .menu .side.expanded {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: transform .4s cubic-bezier(.2, .8, .2, 1), opacity .12s, visibility 0s;
  }

  body.scrolled .menu .menu-toggle::before { animation: badge-in .3s .45s both; }
}

@keyframes badge-in {
  from { transform: scale(0); }
  60% { transform: scale(1.2); }
  to { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .menu .side,
  body.scrolled .menu .side { transition: none !important; }

  .menu .menu-toggle::before { animation: none !important; }
}

/* ===== รู้จักเรา ===== */

.sys-list {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.sys-list a {
  margin: 0;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

.video-frame {
  position: relative;
  width: min(100%, 800px);
  margin: 16px 0 24px;
  aspect-ratio: 16 / 9;
  background: #111;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.site-map {
  display: block;
  width: min(100%, 960px);
  margin: 12px 0 24px;
  background: #fff;
  border-radius: 12px;
}

.sys-list { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.sys-list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 16px;
  color: inherit;
  text-decoration: none;
}

.sys-list strong { font-size: 18px; }

.sys-list span { color: var(--mute); }

.sys-list .tag { font-size: 14px; font-weight: 400; color: var(--brand-dark); }