@charset "UTF-8";

/* ----------------------------------------
   Design tokens
---------------------------------------- */
:root {
  --black: #070707;
  --black-soft: #101010;
  --black-card: #151515;
  --white: #f5f3ef;
  --gray: #a7a4a0;
  --line: rgba(255, 255, 255, 0.14);
  --red: #e3131b;
  --red-dark: #92060c;
  --max-width: 1180px;
  --content-width: 900px;
  --header-height: 76px;
  --font-sans: "Helvetica Neue", "Arial Narrow", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-size-heading-lg: clamp(38px, 4.25vw, 58px);
  --font-size-heading-md: clamp(28px, 3vw, 42px);
  --font-size-body: 15px;
  --font-size-nav: 13px;
  --font-size-button: 14px;
  --font-size-label: 11px;
  --section-space: clamp(76px, 7vw, 92px);
}

/* ----------------------------------------
   Base / layout
---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
:where(section[id], [data-anchor]) { scroll-margin-top: var(--header-height); }
body {
  margin: 0;
  color: var(--white);
  background: var(--black);
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  line-height: 1.75;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin-top: 0; }

.skip-link {
  position: fixed; left: 1rem; top: -100px; z-index: 9999;
  padding: .65rem 1rem; color: #000; background: #fff;
}
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.container { width: min(calc(100% - 64px), var(--max-width)); margin-inline: auto; }
.container-narrow { width: min(calc(100% - 64px), var(--content-width)); margin-inline: auto; }
.section, .content-section { padding: var(--section-space) 0; }
.content-section--muted { background: var(--black-soft); }
.content-section--light { color: #111; background: #f1efeb; }

.section-label { margin-bottom: 13px; color: var(--red); font-size: var(--font-size-label); font-weight: 900; letter-spacing: .28em; }
.section-heading { margin-bottom: 38px; }
.section-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.section-heading h2, .content-heading { margin: 0; font-size: var(--font-size-heading-lg); font-weight: 900; line-height: 1.08; letter-spacing: -.045em; }
.section-heading-note { margin-bottom: 4px; padding-left: 20px; border-left: 2px solid var(--red); color: #d7d5d1; font-size: 14px; font-weight: 700; line-height: 1.7; }
.content-lead { max-width: 760px; color: #c9c6c2; font-size: 17px; line-height: 2; }
.content-grid { display: grid; gap: clamp(28px, 4vw, 56px); }
.content-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.content-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.content-card { padding: clamp(26px, 3vw, 40px); border: 1px solid var(--line); background: var(--black-card); }
.content-card h2, .content-card h3 { margin-bottom: 16px; font-size: var(--font-size-heading-md); line-height: 1.35; }
.content-card p:last-child { margin-bottom: 0; }
.prose { width: min(100%, var(--content-width)); }
.prose h2 { margin: 2.2em 0 .8em; font-size: var(--font-size-heading-md); line-height: 1.4; }
.prose h3 { margin: 2em 0 .7em; font-size: 22px; line-height: 1.5; }
.prose p, .prose li { color: #c9c6c2; line-height: 2; }
.prose a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { margin: 1.2em 0; padding-left: 1.5em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.content-section--light .content-lead, .content-section--light .prose p, .content-section--light .prose li { color: #4f4d4a; }
.notice-box { padding: 22px 24px; border-left: 3px solid var(--red); background: rgba(227,19,27,.08); }
.notice-box > :last-child { margin-bottom: 0; }

.data-table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); }
.data-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.data-table th, .data-table td { padding: 17px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { width: 28%; color: var(--white); background: #171717; font-weight: 800; }
.data-table tr:last-child th, .data-table tr:last-child td { border-bottom: 0; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.form-field { display: grid; gap: 9px; }
.form-field--full { grid-column: 1 / -1; }
.form-label { font-size: 13px; font-weight: 800; }
.form-required { margin-left: 7px; color: var(--red); font-size: 11px; }
.form-control { width: 100%; min-height: 52px; padding: 12px 14px; border: 1px solid #373737; border-radius: 0; color: var(--white); background: #101010; font: inherit; }
textarea.form-control { min-height: 180px; resize: vertical; }
.form-control:focus { border-color: var(--red); outline: 0; box-shadow: 0 0 0 2px rgba(227,19,27,.18); }

/* ----------------------------------------
   Header / navigation
---------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 1000;
  height: var(--header-height); background: rgba(5, 5, 5, .88);
  border-bottom: 1px solid rgba(255,255,255,.09); backdrop-filter: blur(16px);
}
.header-inner { display: flex; align-items: stretch; height: 100%; padding-left: 26px; }
.site-logo { position: relative; display: flex; align-items: center; width: 108px; flex: 0 0 auto; }
.site-logo img { display: block; width: 68px; max-height: 66px; object-fit: contain; }
.site-logo.logo-missing img { display: none; }
.site-logo-fallback { display: none; font-size: 12px; font-weight: 800; letter-spacing: .06em; line-height: 1.05; }
.site-logo-fallback strong { display: block; color: var(--red); font-size: 30px; letter-spacing: -.08em; }
.site-logo.logo-missing .site-logo-fallback { display: block; }
.global-nav { margin-left: auto; }
.nav-list { display: flex; align-items: stretch; height: 100%; }
.nav-list > li { position: relative; display: flex; align-items: stretch; }
.nav-list > li > a,
.event-toggle {
  display: flex; align-items: center; gap: 7px; padding: 0 clamp(10px, 1vw, 16px);
  border: 0; background: transparent; font-size: var(--font-size-nav); font-weight: 700; letter-spacing: .02em; white-space: nowrap; cursor: pointer;
  transition: color .25s ease, background .25s ease;
}
.nav-list > li > a:hover, .event-toggle:hover { color: var(--red); }
.nav-list > li > a[aria-current="page"]::after {
  content: ""; position: absolute; right: 17px; bottom: 19px; left: 17px; height: 2px; background: var(--red);
}
.event-toggle svg { width: 10px; fill: none; stroke: currentColor; stroke-width: 1.8; transition: transform .25s ease; }
.nav-dropdown.is-open .event-toggle svg { transform: rotate(180deg); }
.event-menu {
  position: absolute; top: calc(100% + 1px); left: 50%; width: 190px; padding: 10px;
  opacity: 0; visibility: hidden; transform: translate(-50%, -8px); background: #111;
  border-top: 2px solid var(--red); box-shadow: 0 18px 35px rgba(0,0,0,.45); transition: .25s ease;
}
.event-menu a { display: block; padding: 11px 12px; font-size: 13px; font-weight: 700; }
.event-menu a:hover { color: var(--red); background: rgba(255,255,255,.04); }
.nav-dropdown:hover .event-menu, .nav-dropdown:focus-within .event-menu, .nav-dropdown.is-open .event-menu {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
.nav-list > .nav-contact > a { min-width: 142px; justify-content: center; color: #fff; background: var(--red); }
.nav-list > .nav-contact > a:hover { color: #fff; background: #bd0b12; }
.menu-toggle { display: none; }

/* ----------------------------------------
   Buttons
---------------------------------------- */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 56px; max-width: 100%; padding: 0 24px; border: 1px solid transparent; font-size: var(--font-size-button); font-weight: 800; letter-spacing: .03em; transition: color .25s, border-color .25s, background .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--red); }
.button-primary:hover { background: #bb0c13; }
.button-outline { border-color: rgba(255,255,255,.48); background: rgba(0,0,0,.12); }
.button-outline:hover { border-color: var(--red); background: var(--red); }
.button-light { color: #111; background: #fff; }
.button-light:hover { color: #fff; background: #111; }
.button-dark { color: #fff; border-color: #272727; background: #111; }
.button-dark:hover { border-color: var(--red); background: var(--red); }
.button-arrow { width: 18px; height: 18px; margin-left: auto; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.page-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }

/* ----------------------------------------
   Lower-page hero / breadcrumb
---------------------------------------- */
.page-main { padding-top: var(--header-height); }
.page-hero {
  position: relative; display: flex; min-height: 420px; align-items: flex-end; overflow: hidden;
  padding: 100px 0 70px; background: linear-gradient(125deg, #080808, #1b0507 70%, #080808);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(90deg, rgba(0,0,0,.82), rgba(0,0,0,.32)), var(--page-hero-image, none);
  background-position: center; background-size: cover;
}
.page-hero::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--red); }
.page-hero__inner { position: relative; z-index: 1; }
.page-hero__label { margin-bottom: 14px; color: var(--red); font-size: var(--font-size-label); font-weight: 900; letter-spacing: .3em; }
.page-hero__title { margin: 0; font-size: clamp(48px, 6vw, 82px); font-weight: 900; line-height: 1.05; letter-spacing: -.045em; }
.page-hero__lead { max-width: 880px; margin: 24px 0 0; color: #d0cdca; font-size: clamp(15px, 1.15vw, 17px); line-height: 1.8; line-break: strict; text-wrap: pretty; }
.breadcrumb { border-bottom: 1px solid var(--line); background: #0c0c0c; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px 12px; padding: 15px 0; color: #85827f; font-size: 11px; }
.breadcrumb li { display: flex; align-items: center; gap: 12px; }
.breadcrumb li:not(:last-child)::after { content: "/"; color: #4c4a48; }
.breadcrumb a:hover { color: var(--red); }

/* ----------------------------------------
   Footer
---------------------------------------- */
.site-footer { padding-top: 58px; background: #050505; }
.footer-main { display: grid; grid-template-columns: .8fr 1.5fr; gap: 65px; padding-bottom: 45px; }
.footer-logo { height: 70px; }
.footer-brand > p { margin: 18px 0 28px; color: #777; font-size: 9px; letter-spacing: .25em; line-height: 1.8; }
.sns-links { display: flex; gap: 10px; }
.sns-links a { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid #363636; border-radius: 50%; transition: color .25s, border-color .25s; }
.sns-links a:hover { color: var(--red); border-color: var(--red); }
.sns-links svg { display: block; width: 17px; height: 17px; overflow: visible; fill: currentColor; }
.sns-links a[aria-label^="YouTube"] svg { width: 20px; height: 20px; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); align-content: start; gap: 0 32px; }
.footer-nav a, .footer-nav span { padding: 14px 0; border-bottom: 1px solid #202020; font-size: 12px; font-weight: 700; }
.footer-nav a:hover { color: var(--red); }
.footer-nav span { color: #777; }
.footer-bottom { display: flex; justify-content: space-between; padding: 26px 0; border-top: 1px solid #1c1c1c; color: #737373; font-size: 9px; letter-spacing: .12em; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #aaa; }
.footer-bottom a:hover { color: var(--red); }

@media (max-width: 1180px) {
  .header-inner { padding-left: 22px; }
  .site-logo { width: 98px; }
  .nav-list > li > a, .event-toggle { padding-inline: 7px; font-size: 12px; }
  .nav-list > .nav-contact > a { min-width: 110px; }
}

@media (max-width: 980px) {
  :root { --header-height: 72px; --font-size-nav: 15px; --section-space: 76px; }
  .container, .container-narrow { width: min(calc(100% - 48px), var(--max-width)); }
  .site-header { height: var(--header-height); background: #050505; }
  .header-inner { align-items: center; justify-content: space-between; padding: 0 23px; }
  .site-logo { width: 120px; height: 100%; }
  .menu-toggle { position: relative; z-index: 1002; display: grid; width: 46px; height: 46px; flex: 0 0 auto; padding: 12px 10px; border: 1px solid var(--red); background: var(--red); cursor: pointer; }
  .menu-toggle span { display: block; width: 25px; height: 2px; margin: auto; background: #fff; transition: transform .3s, opacity .3s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .global-nav { position: fixed; top: var(--header-height); right: 0; bottom: 0; left: 0; z-index: 1001; display: block; width: 100%; max-width: 100vw; height: calc(100dvh - var(--header-height)); margin: 0; padding: 18px 28px 30px; opacity: 0; visibility: hidden; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; background: #070707; pointer-events: none; transform: translateY(-8px); transition: opacity .28s ease, visibility .28s ease, transform .28s ease; }
  .global-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .nav-list { display: block; width: min(100%, 560px); height: auto; margin-inline: auto; }
  .nav-list > li { display: block; border-bottom: 1px solid #242424; }
  .nav-list > li > a, .event-toggle { width: 100%; min-height: 56px; justify-content: space-between; padding: 0 6px; font-size: var(--font-size-nav); letter-spacing: .03em; }
  .nav-list > li > a[aria-current="page"]::after { right: auto; bottom: 0; left: 0; width: 35px; }
  .event-menu { position: static; width: auto; max-height: 0; padding: 0 0 0 16px; opacity: 1; visibility: visible; overflow: hidden; border: 0; box-shadow: none; background: #0b0b0b; transform: none !important; transition: max-height .35s, padding .35s; }
  .event-menu a { padding: 12px 10px; font-size: 14px; }
  .nav-dropdown.is-open .event-menu { max-height: 180px; padding-top: 7px; padding-bottom: 7px; }
  .nav-dropdown:hover .event-menu:not(:focus-within) { max-height: 0; padding-top: 0; padding-bottom: 0; }
  .nav-dropdown.is-open:hover .event-menu { max-height: 180px; padding-top: 7px; padding-bottom: 7px; }
  .nav-contact { margin-top: 14px; border: 0 !important; }
  .nav-list > .nav-contact > a { justify-content: center; min-height: 56px !important; }
  .content-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-main { grid-template-columns: .8fr 1.2fr; gap: 45px; }
}

@media (max-width: 640px) {
  :root {
    --header-height: 64px;
    --font-size-heading-lg: clamp(32px, 9vw, 38px);
    --font-size-heading-md: clamp(26px, 7.5vw, 32px);
    --font-size-body: 14px;
    --font-size-nav: 15px;
    --font-size-button: 14px;
    --font-size-label: 10px;
    --section-space: 64px;
  }
  .container, .container-narrow { width: calc(100% - 40px); }
  .header-inner { padding: 0 12px 0 18px; }
  .site-logo { width: 92px; }
  .site-logo img { width: 52px; max-height: 52px; }
  .menu-toggle { width: 44px; height: 44px; padding: 11px 9px; }
  .global-nav { padding: 14px 20px 26px; }
  .section-heading-row { display: block; }
  .section-heading-note { margin-top: 22px; }
  .section-heading { margin-bottom: 32px; }
  .button { width: 100%; min-height: 56px; gap: 20px; padding-inline: 18px; }
  .page-actions { display: grid; }
  .page-hero { min-height: 340px; padding: 74px 0 48px; }
  .page-hero__title { font-size: clamp(38px, 12vw, 54px); }
  .page-hero__lead { max-width: 100%; margin-top: 18px; font-size: 14px; line-height: 1.8; }
  .breadcrumb ol { flex-wrap: nowrap; overflow-x: auto; white-space: nowrap; }
  .content-grid--2, .content-grid--3 { grid-template-columns: 1fr; }
  .content-lead { font-size: 15px; line-height: 1.9; }
  .prose h3 { font-size: 20px; }
  .notice-box { padding: 18px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 20px; }
  .form-field--full { grid-column: auto; }
  .site-footer { padding-top: 52px; }
  .footer-main { display: flex; flex-direction: column; gap: 38px; padding-bottom: 38px; }
  .footer-brand { display: flex; flex-direction: column; align-items: flex-start; width: 100%; }
  .footer-logo { width: auto; height: auto; min-height: 0; margin-bottom: 12px; }
  .footer-logo img { width: 68px; max-height: 64px; }
  .footer-brand > p { margin: 0 0 20px; font-size: 10px; line-height: 1.7; }
  .sns-links { position: static; display: flex; width: auto; gap: 12px; margin: 0; }
  .sns-links a { width: 44px; height: 44px; flex: 0 0 44px; }
  .footer-nav { width: 100%; grid-template-columns: 1fr 1fr; gap: 0 18px; }
  .footer-nav a, .footer-nav span { display: flex; min-width: 0; min-height: 48px; align-items: center; padding: 10px 0; font-size: 13px; line-height: 1.45; }
  .footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 24px 0; text-align: center; }
  .footer-bottom a { order: -1; }
  .footer-bottom p { margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}