/* 株式会社サンプル デモサイト 12「霞（かすみ）」
   薄紫 #CFC4E3 の霞んだ明るい地に、ネイビー #1C2A4A の明朝。
   英字の大見出し＋短い日本語、写真が主役。 */

:root {
  --navy: #1C2A4A;
  --navy-2: #3A4A72;
  --navy-70: rgba(28, 42, 74, .7);
  --lilac: #CFC4E3;
  --lilac-soft: #E6E0F1;
  --gold: #C9A961;
  --gold-soft: #E6D2A0;
  --gold-deep: #8F7332;
  --gold-line: rgba(201, 169, 97, .55);
  --haze: #F5F2FA;
  --white: #FFFFFF;
  --line: rgba(28, 42, 74, .16);
  --line-strong: rgba(28, 42, 74, .4);
  --gutter: clamp(20px, 5vw, 80px);
  --max: 1360px;
  --header-h: 76px;
  --serif-en: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --mincho: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "BIZ UDMincho", "MS PMincho", serif;
  --font: var(--serif-en), var(--mincho);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--header-h); background: var(--haze); }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(207, 196, 227, .55), transparent 70%),
    radial-gradient(ellipse 50% 40% at 0% 60%, rgba(207, 196, 227, .35), transparent 70%),
    var(--haze);
  color: var(--navy);
  font-family: var(--font);
  font-size: 15px; line-height: 2; letter-spacing: .06em;
  line-break: strict; word-break: normal; overflow-wrap: anywhere;
}
img { display: block; max-width: 100%; }
h1, h2, h3, p, dl, dd, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.ph { display: inline-block; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }
main:focus { outline: none; }
.skip { position: absolute; left: 12px; top: -80px; z-index: 100; background: var(--navy); color: var(--white); padding: 12px 18px; text-decoration: none; }
.skip:focus { top: 12px; }
.noscript { padding: 40px var(--gutter); }
.wrap { position: relative; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- デモ表示・ヘッダー ---------- */
.demo-note { padding: 5px var(--gutter); background: var(--navy); color: rgba(255, 255, 255, .8); font-size: 11px; line-height: 1.6; letter-spacing: .06em; text-align: center; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(245, 242, 250, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-bar { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px; max-width: var(--max); height: var(--header-h); margin-inline: auto; padding-inline: var(--gutter); }
.brand { position: relative; z-index: 3; display: inline-flex; align-items: center; min-height: 44px; flex: none; }
.brand-logo { height: 34px; width: auto; }
.site-footer .brand-logo { height: 40px; }

#site-nav ul { display: flex; align-items: center; gap: 4px; }
#site-nav a { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 44px; padding: 4px 14px; text-decoration: none; white-space: nowrap; color: var(--navy); }
#site-nav .en { font-size: 14px; letter-spacing: .14em; text-transform: uppercase; line-height: 1.3; }
#site-nav .jp { font-size: 10px; letter-spacing: .08em; line-height: 1.4; color: var(--navy-70); }
#site-nav a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 1px; background: var(--navy); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
#site-nav a:hover::after, #site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.menu-toggle { display: none; }

@media (max-width: 1100px) and (min-width: 801px) {
  #site-nav a { padding-inline: 8px; }
  #site-nav .en { font-size: 12px; letter-spacing: .1em; }
  #site-nav a::after { left: 8px; right: 8px; }
}
@media (max-width: 800px) {
  :root { --header-h: 64px; }
  .header-bar .brand-logo { height: 28px; }
  .menu-toggle { position: relative; z-index: 3; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; min-width: 44px; padding: 0 4px 0 12px; margin-right: -4px; background: none; border: 0; cursor: pointer; white-space: nowrap; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
  .menu-icon { position: relative; width: 24px; height: 10px; flex: none; }
  .menu-icon span { position: absolute; left: 0; width: 100%; height: 1px; background: var(--navy); transition: transform .25s, top .25s; }
  .menu-icon span:first-child { top: 0; }
  .menu-icon span:last-child { top: 9px; }
  .menu-open .menu-icon span:first-child { top: 4.5px; transform: rotate(20deg); }
  .menu-open .menu-icon span:last-child { top: 4.5px; transform: rotate(-20deg); }
  #site-nav { position: fixed; inset: 0; z-index: 2; padding: calc(var(--header-h) + 32px) var(--gutter) 40px; background: var(--haze); overflow-y: auto; visibility: hidden; opacity: 0; transition: opacity .22s, visibility .22s; }
  .menu-open #site-nav { visibility: visible; opacity: 1; }
  #site-nav ul { display: block; border-top: 1px solid var(--line); }
  #site-nav li { border-bottom: 1px solid var(--line); }
  #site-nav a { flex-direction: row; justify-content: space-between; align-items: baseline; min-height: 64px; padding: 8px 0; }
  #site-nav .en { font-size: 22px; letter-spacing: .12em; }
  #site-nav .jp { font-size: 12px; }
  #site-nav a::after { display: none; }
  #site-nav a[aria-current="page"] .en { border-bottom: 1px solid var(--navy); }
}

/* ---------- ボタン ---------- */
.btn-pill, .cta-fixed { display: inline-flex; align-items: center; gap: 14px; min-height: 52px; padding: 8px 30px; border: 1px solid var(--gold); border-radius: 999px; font-size: 14px; letter-spacing: .12em; text-decoration: none; line-height: 1.5; white-space: nowrap; color: var(--navy); background: transparent; transition: background .3s, color .3s; }
.btn-pill:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.arrow { font-family: var(--serif-en); font-size: 1.1em; line-height: 1; transition: transform .3s; }
.btn-pill:hover .arrow { transform: translateX(6px); }
.cta-fixed { position: fixed; z-index: 40; left: 50%; bottom: 22px; transform: translateX(-50%); background: var(--navy); color: var(--white); box-shadow: 0 10px 30px rgba(28, 42, 74, .28); }
.cta-fixed:hover { background: var(--navy-2); }
.is-contact .cta-fixed, .menu-open .cta-fixed { display: none; }
.btn-off { display: flex; width: 100%; align-items: center; justify-content: center; min-height: 52px; padding: 8px 20px; border: 1px dashed var(--line-strong); border-radius: 999px; background: rgba(255, 255, 255, .5); color: var(--navy-70); font-size: 14px; letter-spacing: .08em; cursor: not-allowed; }
.tlink { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; background: linear-gradient(var(--navy), var(--navy)) no-repeat 0 calc(100% - 9px) / 100% 1px; }
.tlink:hover { background-size: 40% 1px; }

/* ---------- 写真 ---------- */
.img-slot { position: relative; }
.img-slot .frame { position: relative; width: 100%; height: 100%; overflow: hidden; background: var(--lilac-soft); }
.img-slot img { width: 100%; height: 100%; object-fit: cover; }
.r-45 .frame { aspect-ratio: 4 / 5; }
.r-43 .frame { aspect-ratio: 4 / 3; }
.r-32 .frame { aspect-ratio: 3 / 2; }
.ai-tag { position: absolute; z-index: 2; right: 0; top: 0; padding: 3px 9px; background: rgba(245, 242, 250, .86); color: var(--navy-70); font-size: 10px; line-height: 1.6; letter-spacing: .06em; white-space: nowrap; }
.badge { position: absolute; left: 0; top: 0; padding: 4px 12px; background: var(--navy); color: var(--white); font-size: 11px; line-height: 1.5; letter-spacing: .1em; }

/* ---------- 見出し ---------- */
.label { display: flex; flex-direction: column; gap: 6px; }
.label-en { font-family: var(--serif-en); font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 400; line-height: 1.1; letter-spacing: .02em; }
.label-jp { font-size: 13px; letter-spacing: .2em; color: var(--gold-deep); }
.label-jp::before { content: ""; display: inline-block; width: 24px; height: 1px; margin-right: 12px; vertical-align: middle; background: var(--gold); }
.statement { font-size: clamp(1.5rem, 2.6vw, 2.2rem); line-height: 1.7; letter-spacing: .08em; }
.statement.small { font-size: clamp(1.25rem, 1.9vw, 1.6rem); }
.body { max-width: 30em; color: var(--navy-70); }
.note { font-size: 12px; color: var(--navy-70); }
.sec-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px 40px; margin-bottom: clamp(36px, 5vw, 64px); }

.band { position: relative; }
@media (prefers-reduced-motion: no-preference) {
  .band > .wrap, .band > .img-slot, .band > .rail-wrap { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
  .band.is-in > .wrap, .band.is-in > .img-slot, .band.is-in > .rail-wrap { opacity: 1; transform: none; }
}

/* ---------- ヒーロー：左に縦書き、右に写真 ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); min-height: calc(100svh - var(--header-h) - 26px); }
.hero-text { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 36px; padding: clamp(40px, 6vw, 96px) var(--gutter); }
.hero-title { writing-mode: vertical-rl; text-orientation: mixed; font-size: clamp(2rem, 3.6vw, 3.4rem); font-weight: 400; line-height: 1.6; letter-spacing: .3em; max-height: 60vh; }
.hero-title .v { display: block; }
.hero-title .v + .v { margin-top: 0; }
.hero-en { font-family: var(--serif-en); font-size: clamp(14px, 1.2vw, 17px); letter-spacing: .2em; color: var(--gold-deep); }
.hero-photo { min-height: 60vh; }
.hero-photo .frame { height: 100%; }
.hero-photo img { object-position: 50% 45%; }
@media (prefers-reduced-motion: no-preference) {
  .hero-title, .hero-en { animation: rise 1.4s cubic-bezier(.2, .7, .2, 1) both; }
  .hero-en { animation-delay: .25s; }
  .hero-photo .frame { animation: reveal 1.6s cubic-bezier(.2, .7, .2, 1) both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes reveal { from { clip-path: inset(0 0 0 100%); } to { clip-path: inset(0 0 0 0); } }

/* ---------- About ---------- */
.about { padding-block: clamp(100px, 13vw, 200px) clamp(60px, 8vw, 120px); text-align: center; }
.about-inner { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.about .body { margin-bottom: 12px; }

/* ---------- Points（数字＋一行） ---------- */
.points { padding-block: clamp(60px, 8vw, 120px); }
.points .label { margin-bottom: clamp(36px, 5vw, 64px); }
.lines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(24px, 4vw, 64px); border-top: 1px solid var(--line); }
.line { display: flex; flex-direction: column; gap: 14px; padding: 32px 0 36px; border-bottom: 1px solid var(--line); }
.line-no { font-family: var(--serif-en); font-size: 15px; letter-spacing: .2em; color: var(--gold-deep); }
.line-text { font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.8; letter-spacing: .08em; }

/* ---------- Business：写真が端まで出る交互の段 ---------- */
.bizlist { padding-block: clamp(60px, 8vw, 120px) 0; }
.bizlist > .wrap { margin-bottom: clamp(24px, 4vw, 48px); }
.biz-row { position: relative; display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: clamp(360px, 42vw, 620px); }
.biz-photo { grid-column: 1; grid-row: 1; width: 100%; height: 100%; }
.biz-photo .frame { height: 100%; aspect-ratio: auto; min-height: clamp(360px, 42vw, 620px); }
.biz-row-inner { grid-column: 1 / -1; grid-row: 1; display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
.biz-text { grid-column: 2; padding: clamp(32px, 5vw, 80px) 0 clamp(32px, 5vw, 80px) clamp(32px, 6vw, 110px); }
.biz-row.is-rev .biz-photo { grid-column: 2; }
.biz-row.is-rev .biz-text { grid-column: 1; padding: clamp(32px, 5vw, 80px) clamp(32px, 6vw, 110px) clamp(32px, 5vw, 80px) 0; }
.biz-no { display: block; font-family: var(--serif-en); font-size: 15px; letter-spacing: .2em; color: var(--gold-deep); }
.biz-en { font-family: var(--serif-en); font-size: clamp(2rem, 4.2vw, 3.8rem); font-weight: 400; line-height: 1.1; letter-spacing: .01em; margin-top: 12px; }
.biz-jp { margin: 14px 0 32px; font-size: clamp(14px, 1.3vw, 17px); letter-spacing: .2em; }

/* ---------- Property list：横に流れる棚 ---------- */
.plist { padding-block: clamp(80px, 10vw, 150px) clamp(40px, 6vw, 80px); }
.rail-wrap { overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin; scroll-snap-type: x proximity; padding-bottom: 12px; }
.rail { display: flex; gap: clamp(20px, 3vw, 40px); padding-inline: max(var(--gutter), calc((100% - var(--max)) / 2 + var(--gutter))); width: max-content; }
.card { width: clamp(240px, 26vw, 360px); flex: none; scroll-snap-align: start; }
.card-kind { margin-top: 18px; font-size: 12px; letter-spacing: .16em; color: var(--navy-70); }
.card-title { margin-top: 4px; font-size: 16px; line-height: 1.7; letter-spacing: .06em; }

/* ---------- Works ---------- */
.works { padding-block: clamp(60px, 8vw, 120px); }
.works-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 32px 24px; align-items: end; }
.works-text { grid-column: 1 / 5; display: flex; flex-direction: column; align-items: flex-start; gap: 28px; padding-bottom: 8%; }
.w1 { grid-column: 5 / 13; }
.w2 { grid-column: 2 / 6; margin-top: -6%; }

/* ---------- Satellite：写真に白いカード ---------- */
.satellite-teaser { position: relative; padding-block: clamp(90px, 12vw, 170px); }
.satellite-photo { position: absolute; inset: 0; }
.satellite-photo .frame { height: 100%; }
.satellite-photo img { object-position: 50% 50%; }
.satellite-teaser::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(245, 242, 250, .25), rgba(245, 242, 250, 0)); }
.satellite-card { position: relative; z-index: 2; width: min(100%, 460px); padding: clamp(32px, 4vw, 56px); background: rgba(255, 255, 255, .92); }
.satellite-card .label { margin-bottom: 24px; }
.satellite-card .body { margin-bottom: 32px; }

/* ---------- Contact ---------- */
.contact-cta { padding-block: clamp(90px, 12vw, 170px); text-align: center; }
.contact-cta .label { align-items: center; margin-bottom: 28px; }
.contact-cta .statement { margin-bottom: 36px; }

/* ---------- 下層 ---------- */
.phead { padding-block: clamp(64px, 9vw, 140px) clamp(48px, 6vw, 88px); border-bottom: 1px solid var(--line); }
.phead .label-en { font-size: clamp(2.6rem, 6vw, 5.4rem); }
.phead-lead { max-width: 30em; margin-top: 28px; color: var(--navy-70); }

.biz { padding-block: clamp(64px, 8vw, 130px); border-bottom: 1px solid var(--line); }
.biz-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px clamp(40px, 7vw, 120px); align-items: center; }
.biz.is-rev .img-slot { order: 2; }
.biz .biz-text { grid-column: auto; padding: 0; }
.biz .biz-no { margin-bottom: 12px; }
.biz .label { margin-bottom: 24px; }
.biz .statement { margin-bottom: 28px; }

.facts > div { display: grid; grid-template-columns: minmax(7em, auto) 1fr; gap: 4px 20px; padding-block: 12px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.8; }
.facts > div:last-child { border-bottom: 1px solid var(--line); }
.facts dt { color: var(--navy-70); }
.biz .facts > div, .channel .facts > div { grid-template-columns: 1fr; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.filters button { min-height: 44px; padding: 6px 22px; background: transparent; border: 1px solid var(--gold-line); border-radius: 999px; color: var(--navy); font-size: 13px; letter-spacing: .1em; cursor: pointer; transition: background .2s, color .2s; }
.filters button[aria-pressed="true"] { background: var(--navy); color: var(--white); border-color: var(--navy); }
.filter-status { margin-top: 12px; font-size: 12px; color: var(--navy-70); }
.works-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(48px, 6vw, 80px) clamp(24px, 4vw, 56px); padding-block: clamp(56px, 7vw, 100px) clamp(90px, 11vw, 160px); }
.work .card-title { font-size: 18px; margin-bottom: 18px; }

.company { padding-block: clamp(56px, 7vw, 110px) clamp(90px, 11vw, 160px); }
.company-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px clamp(40px, 6vw, 110px); align-items: start; }
.rep-role { font-family: var(--serif-en); font-size: 13px; letter-spacing: .2em; color: var(--gold-deep); }
.rep-name { margin-top: 8px; font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.4; letter-spacing: .1em; }
.rep-note { margin-top: 14px; font-size: 13px; color: var(--navy-70); }
.spec > div { display: grid; grid-template-columns: 11em 1fr; gap: 4px 28px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.spec > div:first-child { border-top: 1px solid var(--line); }
.spec dt { font-size: 13px; letter-spacing: .12em; color: var(--navy-70); }
.spec dd { font-size: 15px; }
.spec dd.tbd { color: var(--navy-70); }

.satellite { padding-block: clamp(56px, 7vw, 110px) clamp(90px, 11vw, 160px); }
.satellite-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px clamp(40px, 7vw, 120px); align-items: center; }
.satellite .satellite-text h2 { margin-bottom: 20px; }
.satellite .note { margin-top: 16px; }
.map-slot { grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; aspect-ratio: 16 / 6; border: 1px dashed var(--line-strong); background: rgba(255, 255, 255, .5); color: var(--navy-70); font-size: 13px; text-align: center; }
.map-slot span:first-child { font-family: var(--serif-en); font-size: 20px; letter-spacing: .16em; color: var(--navy); }

.contact { padding-block: clamp(56px, 7vw, 110px) clamp(90px, 11vw, 160px); }
.channels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px clamp(40px, 7vw, 120px); }
.channel .label { margin-bottom: 26px; }
.channel .label-en { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.channel .facts { margin-bottom: 30px; }
.nf-links { display: flex; flex-wrap: wrap; gap: 4px 32px; margin-top: 36px; }

/* ---------- フッター ---------- */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .8); }
.footer-inner { display: grid; grid-template-columns: auto 1fr; gap: 28px 48px; max-width: var(--max); margin-inline: auto; padding: 56px var(--gutter) 110px; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0 28px; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 44px; font-family: var(--serif-en); font-size: 13px; letter-spacing: .16em; text-transform: uppercase; text-decoration: none; }
.footer-nav a:hover { color: var(--white); }
.footer-notes { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .2); font-size: 11px; line-height: 1.9; }
.footer-notes .copy { margin-top: 8px; font-family: var(--serif-en); letter-spacing: .1em; }
.site-footer :focus-visible { outline-color: var(--lilac); }

/* ---------- 中間幅 ---------- */
@media (max-width: 1024px) {
  .works-text { grid-column: 1 / 5; }
  .w1 { grid-column: 5 / 13; }
}

/* ---------- スマホ ---------- */
@media (max-width: 800px) {
  body { font-size: 14px; line-height: 1.9; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-photo { order: -1; min-height: 0; }
  .hero-photo .frame { aspect-ratio: 4 / 3; }
  .hero-text { padding: 36px var(--gutter) 24px; gap: 20px; }
  .hero-title { writing-mode: horizontal-tb; max-height: none; font-size: clamp(1.7rem, 7.5vw, 2.4rem); line-height: 1.5; letter-spacing: .12em; }
  .hero-title .v { display: block; }
  .about { padding-top: 72px; }
  .lines { grid-template-columns: 1fr; }
  .line { flex-direction: row; align-items: baseline; gap: 20px; padding: 20px 0; }
  .biz-row, .biz-row.is-rev { display: block; min-height: 0; }
  .biz-photo .frame { min-height: 0; aspect-ratio: 3 / 2; }
  .biz-row-inner { display: block; }
  .biz-text, .biz-row.is-rev .biz-text { padding: 28px 0 40px; }
  .biz-en { font-size: clamp(1.7rem, 8vw, 2.4rem); }
  .biz-grid { grid-template-columns: 1fr; }
  .biz.is-rev .img-slot { order: 0; }
  .card { width: 72vw; max-width: 320px; }
  .works-grid { display: block; }
  .works-text { padding-bottom: 32px; }
  .w2 { width: 70%; margin: -14% 0 0 auto; }
  .satellite-teaser { padding-block: 64px; }
  .satellite-card { width: 100%; padding: 28px 22px; }
  .satellite-grid { grid-template-columns: 1fr; }
  .works-list { grid-template-columns: 1fr; gap: 48px; }
  .company-grid { grid-template-columns: 1fr; }
  .spec > div { grid-template-columns: 1fr; gap: 2px; padding-block: 16px; }
  .channels { grid-template-columns: 1fr; }
  .map-slot { aspect-ratio: 4 / 3; }
  .footer-inner { grid-template-columns: 1fr; padding-top: 44px; }
  .footer-nav { justify-content: flex-start; gap: 0 20px; }
  .cta-fixed { min-height: 48px; padding: 6px 24px; font-size: 13px; bottom: 16px; }
}
@media (max-width: 360px) {
  .btn-pill { padding-inline: 22px; min-height: 48px; font-size: 13px; }
  .label-jp { font-size: 12px; letter-spacing: .12em; }
  .menu-toggle .menu-label { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ─── モバイルメニュー：閉じる／HOME（TATEURI 必須・メニューを開いている間だけ表示） ─── */
.mobile-nav-extra { display: none; }
html.tt-nav-open #site-nav .mobile-nav-extra {
  position: relative; z-index: 5; display: flex; flex: 0 0 auto; align-self: stretch; align-items: center; justify-content: space-between; gap: 16px;
  box-sizing: border-box; width: 100%; margin: 0 0 14px; padding: 0 0 10px; border-bottom: 1px solid rgba(128, 128, 128, .35);
}
html.tt-nav-open #site-nav a.mobile-nav-home,
html.tt-nav-open #site-nav button.mobile-nav-close {
  display: inline-flex; align-items: center; gap: 8px; width: auto; min-height: 44px; margin: 0; padding: 0 2px;
  font: inherit; font-size: 14px; line-height: 1; letter-spacing: .12em; color: inherit; text-decoration: none;
  background: none; border: 0; border-radius: 0; box-shadow: none; opacity: 1; transform: none; cursor: pointer;
}
html.tt-nav-open #site-nav a.mobile-nav-home { font-weight: 700; letter-spacing: .2em; box-shadow: inset 0 -3px 0 var(--gold); }
html.tt-nav-open #site-nav a.mobile-nav-home::before, html.tt-nav-open #site-nav a.mobile-nav-home::after,
html.tt-nav-open #site-nav button.mobile-nav-close::before, html.tt-nav-open #site-nav button.mobile-nav-close::after { content: none; display: none; }
html.tt-nav-open #site-nav button.mobile-nav-close svg { width: 14px; height: 14px; flex: 0 0 auto; }

/* メニューを開いている間、デモバーが画面に見えていれば一時的に外す（各案のメニュー位置は元のまま） */
html.tt-bar-hide #demo-bar { display: none; }

/* ─── 横スクロール防止（TATEURI 規則。sticky を壊さないよう hidden ではなく clip） ─── */
html, body { overflow-x: clip; }

/* メニュー透け防止（TATEURI 規則）：開いている間はヘッダーの backdrop-filter を外す */
.menu-open .site-header { background: var(--haze) !important; backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }

/* ─── DEMO BAR（TATEURI 共通・通常フローに置く） ─── */
#demo-bar { position: relative; z-index: 1200; background: #101215; border-bottom: 1px solid rgba(255, 255, 255, .12); padding: 7px 16px; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
.demo-bar-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 10px; font-size: 12px; line-height: 1.5; letter-spacing: .02em; color: rgba(255, 255, 255, .55); }
.demo-badge { font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; background: rgba(200, 168, 92, .18); color: #C8A85C; padding: 3px 10px; flex-shrink: 0; }
.demo-link { display: inline-block; padding: 4px 0; color: #C8A85C; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.demo-copy { color: rgba(255, 255, 255, .3); font-size: 11px; }
@media (max-width: 640px) { .demo-copy { display: none; } }