/* ======================================================
   CSS VARIABLES
====================================================== */
:root {
  --bg:       #0a0a0c;
  --surface:  #111114;
  --surface2: #17171b;
  --gold:     #c9a84c;
  --gold-lt:  #e2c46a;
  --white:    #f0ede8;
  --muted:    #6b6865;
  --border:   #232328;

  --ff-logo:  'Montserrat', sans-serif;
  --ff-serif: 'Noto Serif JP', serif;
  --ff-head: 'Anton', sans-serif;
  --ff-body: 'Jost', sans-serif;

  --nav-h:  64px;
  --max-w:  1100px;
  --radius: 3px;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ======================================================
   RESET / BASE
====================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--ff-body);
  font-weight: 300;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ======================================================
   UTILITY
====================================================== */
.btn {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  padding: 14px 40px;
  border-radius: var(--radius);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
  cursor: pointer;
}
.btn--outline {
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
}
.btn--outline:hover {
  background: var(--gold);
  color: var(--bg);
}

.placeholder {
  width: 100%;
  height: 100%;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px dashed var(--border);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-align: center;
  line-height: 2;
}
.placeholder--dark { background: var(--bg); }
.placeholder--tall { min-height: 360px; }

/* ======================================================
   NAV
====================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.35s var(--ease), border-color 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 10, 12, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ロゴ */
.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 3px;
}
.nav__logo-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: 7px;
  letter-spacing: 0.3em;
  color: var(--white);
  font-weight: 400;
}
.nav__logo-main {
  font-family: var(--ff-logo);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.08em;
  color: var(--white);
}

/* メニュー（PC） */
.nav__menu ul {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__menu a {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s;
}
.nav__menu a:hover { color: var(--white); }
.nav__cta {
  color: var(--gold) !important;
  border: 1px solid var(--gold);
  padding: 7px 18px;
  border-radius: var(--radius);
}
.nav__cta:hover {
  background: var(--gold) !important;
  color: var(--bg) !important;
}

/* ハンバーガー */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ======================================================
   HERO
====================================================== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 65%,
      rgba(201, 168, 76, 0.07) 0%,
      transparent 65%),
    linear-gradient(180deg, #0a0a0c 0%, #0d0d10 100%);
}
.hero__inner {
  position: relative;
  text-align: center;
  padding: 0 24px;
  padding-top: var(--nav-h);
}
.hero__eyebrow {
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  font-size: clamp(18px, 3.5vw, 34px);
  letter-spacing: 0.5em;
  color: var(--white);
  margin-bottom: 10px;
}
.hero__logo {
  font-family: var(--ff-logo);
  font-weight: 800;
  font-size: clamp(88px, 19vw, 190px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--white);
  margin-bottom: 20px;
}
.hero__catch {
  font-size: clamp(13px, 2.2vw, 17px);
  color: var(--muted);
  letter-spacing: 0.22em;
  margin-bottom: 48px;
}

/* インフォブロック */
.hero__info {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
}
.hero__info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 32px;
  gap: 5px;
}
.hero__info-label {
  font-size: 8px;
  letter-spacing: 0.35em;
  color: var(--gold);
  font-weight: 500;
}
.hero__info-value {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--white);
  white-space: nowrap;
}
.hero__info-sep {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}
/* 定休日テキスト */
.hero__holiday {
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--muted);
  margin-top: -20px;
  margin-bottom: 40px;
}
.hero__holiday-icon {
  color: var(--border);
  margin: 0 12px;
  letter-spacing: 0;
}

/* SCROLLインジケーター */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hero__scroll span {
  font-size: 8px;
  letter-spacing: 0.35em;
  color: var(--muted);
  writing-mode: vertical-rl;
  font-weight: 500;
}
.hero__scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--gold) 0%, transparent 100%);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  48%  { transform: scaleY(1); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ======================================================
   SECTION COMMON
====================================================== */
.section {
  padding: 120px 32px;
}
.section:nth-child(even) {
  background: var(--surface);
}
.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section__eyebrow {
  font-size: 9px;
  letter-spacing: 0.45em;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--ff-head);
  font-size: clamp(40px, 7vw, 80px);
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--white);
  margin-bottom: 48px;
}
.section__lead {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-top: -28px;
  margin-bottom: 52px;
}

/* ======================================================
   ABOUT
====================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about__photo {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface2);
}
.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about__concept {
  font-family: var(--ff-head);
  font-size: clamp(22px, 3.5vw, 36px);
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.about__text {
  font-size: 14px;
  color: var(--muted);
  line-height: 2.1;
  margin-bottom: 18px;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}
.tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--gold);
  border: 1px solid rgba(201, 168, 76, 0.3);
  padding: 5px 14px;
  border-radius: 2px;
}

/* ======================================================
   DARTS
====================================================== */
/* 3カラム: DL2 | 店内写真 | DL3 */
.darts__trio {
  display: grid;
  grid-template-columns: 1fr 320px 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
  min-height: 420px;
}
.darts__side {
  padding: 48px 36px;
  background: var(--surface2);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.darts__side--left {
  text-align: right;
  border-right: 1px solid var(--border);
}
.darts__side--right {
  text-align: left;
  border-left: 1px solid var(--border);
}
.darts__center-img {
  overflow: hidden;
}
.darts__center-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.darts__card-badge {
  font-size: 8px;
  letter-spacing: 0.4em;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 8px;
}
.darts__card-title {
  font-family: var(--ff-head);
  font-size: 26px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.darts__card-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 20px;
}
.darts__count {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 2px;
}
.darts__note {
  border-left: 2px solid var(--gold);
  padding: 12px 20px;
  background: rgba(201, 168, 76, 0.04);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ======================================================
   MENU
====================================================== */
.menu__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.menu__tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--muted);
  font-family: var(--ff-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 12px 16px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.menu__tab:hover { color: var(--white); }
.menu__tab.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.menu__panel { display: none; }
.menu__panel.is-active { display: block; }

.menu__cat {
  font-size: 9px;
  letter-spacing: 0.4em;
  color: var(--gold);
  font-weight: 500;
  margin: 28px 0 10px;
  font-family: var(--ff-body);
}
.menu__list {
  border-top: 1px solid var(--border);
}
.menu__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.menu__item--featured {
  background: rgba(201, 168, 76, 0.05);
  padding: 15px 14px;
  margin: 0 -14px;
}
.menu__name {
  font-size: 14px;
  color: var(--white);
  letter-spacing: 0.05em;
}
.menu__name small {
  font-size: 11px;
  color: var(--muted);
  margin-left: 8px;
}
.menu__price {
  font-size: 13px;
  color: var(--gold);
  white-space: nowrap;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.menu__badge {
  font-size: 8px;
  letter-spacing: 0.2em;
  background: var(--gold);
  color: var(--bg);
  padding: 2px 8px;
  margin-left: 10px;
  font-weight: 700;
  vertical-align: middle;
}
.menu__note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 20px;
  letter-spacing: 0.05em;
}
.menu__item--pasta {
  align-items: flex-end;
  gap: 0;
}
.menu__pasta-left {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex: 1;
  gap: 16px;
}
.menu__pasta-thumb {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius);
  opacity: 0.9;
  flex-shrink: 0;
  margin-left: 16px;
  align-self: flex-end;
}

/* ======================================================
   SYSTEM
====================================================== */
.system__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
  overflow: hidden;
  border-radius: var(--radius);
}
.system__card {
  background: var(--bg);
  padding: 44px 28px;
  text-align: center;
  transition: background 0.25s;
}
.system__card:hover { background: var(--surface2); }
.system__card-label {
  font-family: var(--ff-head);
  font-size: 13px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 20px;
}
.system__card-main {
  font-size: 15px;
  color: var(--white);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  font-weight: 500;
}
.system__card-sub {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.85;
}

/* ======================================================
   APP
====================================================== */
.app__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: start;
}
.app__subtitle {
  font-family: var(--ff-head);
  font-size: 16px;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-bottom: 20px;
}
.app__list {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.app__row {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.app__row:last-child { border-bottom: none; }
.app__row:hover { background: var(--surface2); }
.app__row--top { background: rgba(201, 168, 76, 0.06); }
.app__pt {
  font-family: var(--ff-logo);
  font-weight: 800;
  font-size: 30px;
  color: var(--gold);
  min-width: 90px;
  line-height: 1;
  flex-shrink: 0;
}
.app__pt small {
  font-size: 12px;
  font-weight: 400;
  margin-left: 2px;
}
.app__reward {
  font-size: 13px;
  color: var(--white);
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.app__reward small { font-size: 11px; color: var(--muted); }

/* QR */
.app__qr { text-align: center; }
.app__qr-wrap {
  width: 156px;
  height: 156px;
  background: #fff;
  padding: 8px;
  border-radius: var(--radius);
  margin: 0 auto 16px;
  overflow: hidden;
}
.app__qr-wrap img { width: 100%; height: 100%; object-fit: contain; }
.qr-ph {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-size: 10px;
  letter-spacing: 0.3em;
  border: 2px dashed #ccc;
}
.app__qr-text {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.9;
  letter-spacing: 0.05em;
}
.app__qr-text a { color: var(--gold); }

/* ======================================================
   INSTAGRAM
====================================================== */
.instagram__embed { margin-bottom: 32px; }
.instagram { text-align: center; }
.instagram .section__title,
.instagram .section__eyebrow,
.instagram .section__lead { text-align: left; }

/* ======================================================
   ACCESS
====================================================== */
.access__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}
.access__dl {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.access__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  border-bottom: 1px solid var(--border);
}
.access__dl dt {
  font-size: 8px;
  letter-spacing: 0.35em;
  color: var(--gold);
  font-weight: 500;
  padding: 18px 20px 18px 0;
  white-space: nowrap;
  align-self: start;
  padding-top: 22px;
}
.access__dl dd {
  font-size: 14px;
  color: var(--white);
  padding: 18px 0;
  line-height: 1.9;
  letter-spacing: 0.03em;
}
.access__dl dd a { color: var(--gold); }

.access__map {
  aspect-ratio: 4 / 3;
  background: var(--surface2);
  border-radius: var(--radius);
  overflow: hidden;
}
.access__map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.6) brightness(0.75) contrast(1.1);
}

/* ======================================================
   FOOTER
====================================================== */
.footer {
  padding: 72px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.footer__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 6px;
}
.footer__logo-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 0;
  line-height: 1;
}
.footer__logo-main {
  font-family: var(--ff-logo);
  font-weight: 800;
  font-size: 34px;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-top: 0;
}
.footer__info {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
  line-height: 2;
}
.footer__ig {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s;
}
.footer__ig:hover { color: var(--gold); }
.footer__copy {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-top: 12px;
}

/* ======================================================
   RESPONSIVE — タブレット
====================================================== */
@media (max-width: 960px) {
  /* NAV → ハンバーガー */
  .nav__menu {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(10, 10, 12, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu ul { flex-direction: column; align-items: center; gap: 0; }
  .nav__menu a { font-size: 14px; padding: 18px 32px; display: block; }
  .nav__toggle { display: flex; }

  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .darts__trio { grid-template-columns: 1fr; grid-template-rows: auto 260px auto; }
  .darts__side--left { text-align: left; border-right: none; border-bottom: 1px solid var(--border); }
  .darts__side--right { border-left: none; border-top: 1px solid var(--border); }
  .system__grid { grid-template-columns: 1fr 1fr; }
  .app__grid { grid-template-columns: 1fr; }
  .app__qr { order: -1; }
  .access__grid { grid-template-columns: 1fr; }
}

/* ======================================================
   RESPONSIVE — スマホ
====================================================== */
@media (max-width: 600px) {
  .section { padding: 80px 20px; }
  .nav__inner { padding: 0 20px; }

  .hero__info { flex-direction: column; border: none; gap: 0; }
  .hero__info-item { flex-direction: row; justify-content: space-between; width: 100%; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 16px; }
  .hero__info-sep { display: none; }
  .hero__scroll { display: none; }

  .darts__side { padding: 32px 24px; }
  .darts__side--left { text-align: left; }
  .system__grid { grid-template-columns: 1fr; }
  .menu__tabs { gap: 2px; }
  .menu__tab { padding: 10px 14px; font-size: 10px; }
  .menu__pasta-img img { width: 140px; height: 140px; }
}