/* ==========================================================
   BFJ Premium — main.css
   iron / chalk / brass / oxblood
   ========================================================== */
:root {
  --iron: #17191d;
  --iron-2: #1f2227;
  --iron-3: #101215;
  --chalk: #f3f0e8;
  --chalk-2: #e9e4d8;
  --paper: #fbf9f3;
  --ink: #1b1c1f;
  --brass: #c7a35a;
  --brass-ink: #7d5f20;      /* 明るい背景で使う真鍮色 */
  --oxblood: #4a1620;
  --line-dark: rgba(243, 240, 232, .16);
  --line-light: rgba(27, 28, 31, .16);
  --muted-dark: rgba(243, 240, 232, .72);
  --muted-light: rgba(27, 28, 31, .72);

  --font-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Noto Sans CJK JP", Meiryo, sans-serif;
  --font-en: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;

  --header-h: 76px;
  --wrap: 1180px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--iron);
  color: var(--chalk);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .03em;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, iframe { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; text-underline-offset: .2em; }
p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.4; letter-spacing: .04em; font-weight: 700; text-wrap: balance; word-break: auto-phrase; line-break: strict; }
p, li, dd { text-wrap: pretty; word-break: auto-phrase; line-break: strict; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
::selection { background: var(--brass); color: var(--iron); }

.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}
.skip { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--brass); color: var(--iron); padding: 10px 16px; font-weight: 700; }
.skip:focus { top: 12px; }

section[id], .access__form { scroll-margin-top: 16px; }
.wrap { width: min(var(--wrap), 100% - var(--gutter) * 2); margin-inline: auto; }
.wrap--narrow { width: min(780px, 100% - var(--gutter) * 2); }
.center { text-align: center; margin-top: clamp(40px, 6vw, 64px); }
.ico { width: 1.25em; height: 1.25em; flex: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .9em;
  padding: 1.05em 2em; min-height: 56px;
  border: 1px solid transparent; border-radius: 2px;
  font-weight: 700; font-size: .95rem; letter-spacing: .08em; text-decoration: none; cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s;
}
.btn .ico { transition: transform .25s; }
.btn:hover .ico { transform: translateX(4px); }
.btn--brass { background: var(--brass); color: var(--iron); }
.btn--brass:hover { background: #d8b86e; }
.btn--ghost { border-color: rgba(243, 240, 232, .45); color: var(--chalk); }
.btn--ghost:hover { border-color: var(--chalk); background: rgba(243, 240, 232, .08); }
.btn--ink { background: var(--ink); color: var(--chalk); }
.btn--ink:hover { background: #33353a; }
.btn--chalk { background: var(--chalk); color: var(--oxblood); }
.btn--chalk:hover { background: #fff; }

/* ---------- Section frame ---------- */
.sec { padding-block: clamp(72px, 11vw, 144px); }
.sec--iron { background: var(--iron); color: var(--chalk); --accent: var(--brass); --muted: var(--muted-dark); --line: var(--line-dark); }
.sec--chalk { background: var(--chalk); color: var(--ink); --accent: var(--brass-ink); --muted: var(--muted-light); --line: var(--line-light); }
.sec--oxblood { background: var(--oxblood); color: var(--chalk); --accent: #e0c27c; --muted: rgba(243, 240, 232, .82); --line: rgba(243, 240, 232, .22); }

.sec-title { display: block; margin-bottom: clamp(36px, 6vw, 72px); font-weight: 600; letter-spacing: 0; }
.sec-title__en {
  display: block; font-family: var(--font-en); font-weight: 600;
  font-size: clamp(3.6rem, 9vw, 7.5rem); line-height: .86; letter-spacing: -.005em;
}
.sec-title__ja { display: block; margin-top: 18px; font-family: var(--font-jp); font-size: 1rem; font-weight: 700; letter-spacing: .14em; color: var(--accent, var(--brass)); }
.sec-title__ja--lg { margin: 0; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: .06em; color: var(--chalk); }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; transition: background-color .3s, box-shadow .3s; }
.site-header__bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); padding-inline: clamp(16px, 3vw, 40px); }
.site-header::before { content: ""; position: absolute; inset: 0 0 -40px 0; z-index: -1; background: linear-gradient(180deg, rgba(23, 25, 29, .82), rgba(23, 25, 29, 0)); pointer-events: none; transition: opacity .3s; }
.is-sub .site-header::before, .site-header.is-solid::before, .nav-open .site-header::before { opacity: 0; }
.is-sub .site-header, .site-header.is-solid, .nav-open .site-header { background: rgba(23, 25, 29, .94); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.site-header.is-solid { box-shadow: 0 1px 0 var(--line-dark); }

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--chalk); }
.brand__mark { width: 40px; height: 40px; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-en); font-size: 1.9rem; font-weight: 700; letter-spacing: .06em; }
.brand__sub { margin-top: 4px; font-family: var(--font-en); font-size: .8rem; font-weight: 500; letter-spacing: .12em; color: var(--brass); }
.custom-logo { max-height: 48px; width: auto; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.nav__list a { position: relative; display: block; padding: 8px 2px; font-size: .88rem; font-weight: 500; letter-spacing: .1em; text-decoration: none; color: rgba(243, 240, 232, .9); }
.nav__list a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px; background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav__list a:hover::after, .nav__list .current-menu-item > a::after { transform: scaleX(1); }
.nav__cta { min-height: 44px; padding: .55em 1.4em; font-size: .85rem; }
.nav__sns { display: flex; gap: 6px; }
.nav__sns a, .site-footer__sns a { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line-dark); border-radius: 50%; color: var(--chalk); transition: border-color .25s, color .25s; }
.nav__sns a:hover, .site-footer__sns a:hover { border-color: var(--brass); color: var(--brass); }
.nav__sns:empty { display: none; }
.nav .sub-menu { display: none; }

.menu-btn { display: none; width: 48px; height: 48px; padding: 0; background: transparent; border: 1px solid var(--line-dark); border-radius: 50%; cursor: pointer; place-items: center; }
.menu-btn__close { display: none; }
.nav-open .menu-btn__open { display: none; }
.nav-open .menu-btn__close { display: block; }

@media (max-width: 1019px) {
  .menu-btn { display: grid; }
  .nav {
    position: fixed; inset: 0; z-index: -1; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 24px;
    padding: calc(var(--header-h) + 24px) var(--gutter) 40px; background: var(--iron); overflow-y: auto;
    opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
  }
  .nav-open .nav { opacity: 1; visibility: visible; }
  .nav-open { overflow: hidden; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list a { padding: 18px 2px; font-size: 1.1rem; border-bottom: 1px solid var(--line-dark); }
  .nav__list a::after { display: none; }
  .nav__cta { min-height: 56px; font-size: 1rem; }
  .nav__sns { justify-content: center; }
}

/* ---------- Side CTA (desktop) / Dock (mobile) ---------- */
.side-cta {
  position: fixed; right: 0; top: 50%; z-index: 90; transform: translateY(-50%);
  display: none; padding: 28px 14px; background: var(--brass); color: var(--iron);
  writing-mode: vertical-rl; font-weight: 700; letter-spacing: .3em; font-size: .95rem; text-decoration: none;
  border-radius: 2px 0 0 2px; transition: background-color .25s, padding .25s;
}
.side-cta:hover { background: #d8b86e; padding-right: 20px; }
@media (min-width: 1020px) { .side-cta { display: block; } }

.dock { position: fixed; inset: auto 0 0 0; z-index: 90; display: flex; gap: 1px; background: var(--iron-3); padding-bottom: env(safe-area-inset-bottom); box-shadow: 0 -1px 0 var(--line-dark); }
.dock a { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 56px; font-weight: 700; font-size: .95rem; letter-spacing: .08em; text-decoration: none; }
.dock__tel { color: var(--chalk); flex: 0 0 38% !important; }
.dock__main { background: var(--brass); color: var(--iron); }
@media (min-width: 1020px) { .dock { display: none; } }
@media (max-width: 1019px) { body { padding-bottom: 56px; } }

/* ---------- Hero ---------- */
.hero { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-height: 100vh; min-height: 100svh; overflow: hidden; isolation: isolate; background: var(--iron); }
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 72% center; animation: hero-in 1.6s ease-out both; }
.hero__veil { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(90deg, rgba(23, 25, 29, .88) 0%, rgba(23, 25, 29, .55) 42%, rgba(23, 25, 29, 0) 72%),
  linear-gradient(0deg, rgba(23, 25, 29, .92) 0%, rgba(23, 25, 29, 0) 38%); }
.hero__body { padding-top: calc(var(--header-h) + 72px); padding-bottom: clamp(36px, 6vw, 72px); }
.hero__place { margin-bottom: 28px; font-size: .95rem; font-weight: 500; letter-spacing: .16em; color: var(--brass); }
.hero__title { font-size: clamp(2.5rem, 6.4vw, 5.6rem); line-height: 1.22; letter-spacing: .02em; font-weight: 700; margin-bottom: clamp(24px, 3vw, 36px); }
.hero__title .line { display: block; overflow: hidden; padding-bottom: .1em; margin-bottom: -.1em; }
.hero__title .line__in { display: block; animation: line-up 1s cubic-bezier(.2, .7, .1, 1) both; animation-delay: calc(.25s + var(--i) * .18s); }
.hero__lead { max-width: 33em; margin-bottom: 40px; color: var(--muted-dark); font-size: clamp(.95rem, 1.5vw, 1.06rem); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__facts { display: flex; flex-wrap: wrap; gap: clamp(20px, 5vw, 64px); width: min(var(--wrap), 100% - var(--gutter) * 2); margin: 0 auto; padding: 22px 0 clamp(28px, 4vw, 44px); border-top: 1px solid var(--line-dark); }
.hero__facts li { display: flex; align-items: baseline; gap: 8px; }
.hero__facts b { font-family: var(--font-en); font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 600; line-height: 1; color: var(--chalk); }
.hero__facts span { font-size: .85rem; color: var(--muted-dark); letter-spacing: .08em; }

@keyframes line-up { from { transform: translateY(108%); } to { transform: none; } }
@keyframes hero-in { from { opacity: 0; transform: scale(1.04); } to { opacity: 1; transform: none; } }

@media (max-width: 720px) {
  .hero__bg img { object-position: 78% center; }
  .hero__veil { background: linear-gradient(0deg, rgba(23, 25, 29, .95) 8%, rgba(23, 25, 29, .6) 55%, rgba(23, 25, 29, .35) 100%); }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__facts { gap: 18px 28px; }
}

/* ---------- Notice ---------- */
.notice { background: var(--iron-2); border-top: 1px solid rgba(199, 163, 90, .5); border-bottom: 1px solid var(--line-dark); }
.notice__in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 32px; padding-block: 18px; }
.notice__text { margin: 0; font-size: .92rem; }
.notice__text strong { margin-right: 1em; color: var(--brass); }
.notice__text span { color: var(--muted-dark); }
.notice__link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; color: var(--chalk); }

/* ---------- Concerns ---------- */
.worry { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.worry .sec-title { margin-bottom: 28px; }
.worry__lead { color: var(--muted); max-width: 22em; }
.worry__list li { display: flex; gap: 18px; align-items: flex-start; padding: 22px 0; border-bottom: 1px solid var(--line); font-size: clamp(1rem, 1.6vw, 1.15rem); font-weight: 500; }
.worry__list li:first-child { border-top: 1px solid var(--line); }
.worry__list .ico { margin-top: .3em; color: var(--accent); }
.worry__close { grid-column: 1 / -1; margin: clamp(40px, 6vw, 72px) 0 0; font-size: clamp(1.35rem, 3vw, 2.1rem); font-weight: 700; line-height: 1.6; letter-spacing: .05em; }
@media (max-width: 860px) { .worry { grid-template-columns: 1fr; } }

/* ---------- Concept / Merits ---------- */
.concept__img { margin: clamp(32px, 5vw, 56px) 0 0; height: clamp(240px, 40vw, 540px); overflow: hidden; }
.concept__img img { width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
.merit__lead { margin: clamp(40px, 6vw, 72px) 0 28px; font-weight: 700; letter-spacing: .14em; color: var(--accent); }
.merits { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); }
.merit { padding-top: 24px; border-top: 2px solid var(--ink); }
.merit__title { margin-bottom: 14px; font-size: clamp(1.1rem, 1.8vw, 1.3rem); line-height: 1.55; }
.merit__text { color: var(--muted); font-size: .96rem; }
@media (max-width: 860px) { .merits { grid-template-columns: 1fr; } }

/* ---------- Features ---------- */
.features { margin-top: clamp(8px, 2vw, 24px); }
.feature { display: grid; grid-template-columns: 1.15fr 1fr; align-items: stretch; border-top: 1px solid var(--line-dark); }
.feature:last-child { border-bottom: 1px solid var(--line-dark); }
.feature__img { margin: 0; min-height: 360px; overflow: hidden; background: var(--iron-3); }
.feature__img img { width: 100%; height: 100%; object-fit: cover; }
.feature__body { align-self: center; padding: clamp(32px, 6vw, 88px); max-width: 38em; }
.feature__title { margin-bottom: 24px; font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.5; }
.feature__body p { color: var(--muted-dark); }
.feature__note { margin-top: 1em; font-size: .88rem; color: var(--brass) !important; }
.feature--flip .feature__img { order: 2; }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature--flip .feature__img { order: 0; }
  .feature__img { min-height: 0; aspect-ratio: 3 / 2; }
  .feature__body { padding: 32px var(--gutter) 48px; }
}

/* ---------- Plans ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: clamp(28px, 3vw, 40px); background: var(--paper); border: 1px solid var(--line-light); border-radius: 2px; }
.plan__badge { position: absolute; top: -1px; right: 24px; margin: 0; padding: 4px 14px; background: var(--brass); color: var(--iron); font-size: .8rem; font-weight: 700; letter-spacing: .1em; }
.plan__name { margin-bottom: 24px; font-size: 1.3rem; line-height: 1.5; }
.plan__single { display: flex; align-items: baseline; gap: 14px; margin: 0 0 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line-light); }
.plan__single span { font-size: .85rem; color: var(--muted-light); }
.plan__single b { font-family: var(--font-en); font-size: 2.2rem; font-weight: 600; line-height: 1; }
.plan__course { margin-bottom: 20px; }
.plan__course-name { margin-bottom: 4px; font-size: .9rem; font-weight: 700; color: var(--brass-ink); }
.plan__course-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin: 0; }
.plan__orig { font-family: var(--font-en); font-size: 1.3rem; color: var(--muted-light); text-decoration-thickness: 1px; }
.plan__now { font-family: var(--font-en); font-size: clamp(2.6rem, 4vw, 3.4rem); font-weight: 600; line-height: 1; color: var(--oxblood); letter-spacing: 0; }
.yen { margin-right: .08em; font-size: .62em; font-weight: 500; }
.plan__list { margin: 8px 0 0; padding-top: 20px; border-top: 1px solid var(--line-light); font-size: .93rem; }
.plan__list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px; line-height: 1.7; }
.plan__list .ico { margin-top: .25em; width: 1.1em; height: 1.1em; color: var(--brass-ink); }
.plan__note { margin-top: auto; padding-top: 20px; font-size: .84rem; line-height: 1.8; color: var(--muted-light); }
.plan__note p:first-child { margin-top: 20px; }
.plan--featured { background: var(--iron); color: var(--chalk); border-color: var(--brass); box-shadow: 0 0 0 1px var(--brass); }
.plan--featured .plan__single { border-color: var(--line-dark); }
.plan--featured .plan__single span, .plan--featured .plan__orig, .plan--featured .plan__note { color: var(--muted-dark); }
.plan--featured .plan__course-name, .plan--featured .plan__list .ico { color: var(--brass); }
.plan--featured .plan__now { color: var(--brass); }
.plan--featured .plan__list { border-color: var(--line-dark); }
.price-note { margin-top: 32px; font-size: .88rem; color: var(--muted-light); }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

/* ---------- Voices (tabs) ---------- */
.voices { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 4vw, 64px); align-items: start; }
.voices__tabs { display: flex; flex-direction: column; border-top: 1px solid var(--line-dark); }
.voices__tab { position: relative; display: block; width: 100%; text-align: left; padding: 22px 16px 22px 24px; background: transparent; border: 0; border-bottom: 1px solid var(--line-dark); color: var(--muted-dark); cursor: pointer; transition: color .25s, background-color .25s; }
.voices__tab::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--brass); transform: scaleY(0); transition: transform .25s; }
.voices__tab:hover { color: var(--chalk); }
.voices__tab[aria-selected="true"] { color: var(--chalk); background: var(--iron-2); }
.voices__tab[aria-selected="true"]::before { transform: scaleY(1); }
.voices__attr { display: block; margin-bottom: 4px; font-size: .82rem; letter-spacing: .1em; color: var(--brass); }
.voices__attr--big { margin-bottom: 18px; font-size: .95rem; }
.voices__headline { display: block; font-weight: 700; line-height: 1.6; font-size: .98rem; }
.voices__panel { padding: clamp(28px, 4vw, 56px); background: var(--iron-2); border: 1px solid var(--line-dark); }
.voices__panel[hidden] { display: none; }
.voices__title { margin-bottom: 24px; font-size: clamp(1.25rem, 2.2vw, 1.7rem); line-height: 1.6; }
.voices__text p { color: var(--muted-dark); line-height: 2.05; }
@media (max-width: 900px) {
  .voices { grid-template-columns: 1fr; }
  .voices__tab { padding: 16px 16px 16px 20px; }
  .voices__headline { font-size: .92rem; }
  .voices__attr--big { display: none; }
}

/* ---------- Flow ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(24px, 3vw, 48px); counter-reset: none; }
.flow__item { padding-top: 24px; border-top: 2px solid var(--ink); }
.flow__no { display: block; margin-bottom: 8px; font-family: var(--font-en); font-size: clamp(3.8rem, 6vw, 5.4rem); font-weight: 600; line-height: .9; color: var(--accent); }
.flow__title { margin-bottom: 16px; font-size: 1.12rem; line-height: 1.6; }
.flow__text { font-size: .9rem; line-height: 1.95; color: var(--muted); }
.flow__text p:first-child:not(:last-child) { font-weight: 700; color: var(--ink); }
@media (max-width: 1100px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .flow { grid-template-columns: 1fr; } }

/* ---------- Trainers ---------- */
.trainers { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 72px) clamp(24px, 4vw, 64px); }
.trainer__img { margin: 0 0 28px; aspect-ratio: 4 / 5; overflow: hidden; background: var(--iron-3); border-radius: 2px; }
.trainer__img img { width: 100%; height: 100%; object-fit: cover; }
.trainer__role { margin-bottom: 6px; font-size: .88rem; font-weight: 700; letter-spacing: .1em; color: var(--brass); }
.trainer__name { margin-bottom: 20px; font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.3; }
.trainer__msg p { color: var(--muted-dark); font-size: .96rem; }
.trainer__meta { margin: 28px 0 0; padding-top: 20px; border-top: 1px solid var(--line-dark); font-size: .9rem; }
.trainer__meta dt { margin-top: 14px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; color: var(--brass); }
.trainer__meta dt:first-child { margin-top: 0; }
.trainer__meta dd { margin: 4px 0 0; color: var(--muted-dark); }
.trainer__meta li { padding: 3px 0; }
.trainer__price { margin: 24px 0 0; font-weight: 700; color: var(--chalk); }
.trainer__ig { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-size: .9rem; color: var(--brass); }
.trainer--lead { grid-column: 1 / -1; display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 5vw, 80px); align-items: start; }
.trainer--lead .trainer__img { margin: 0; }
.trainer--lead .trainer__body { padding-top: clamp(0px, 2vw, 24px); }
.trainer--lead .trainer__meta { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.trainer--lead .trainer__meta dt:nth-of-type(2) { margin-top: 0; }
@media (max-width: 900px) {
  .trainers { grid-template-columns: 1fr; }
  .trainer--lead { grid-template-columns: 1fr; }
  .trainer--lead .trainer__img { margin-bottom: 28px; }
  .trainer--lead .trainer__meta { display: block; }
}
@media (min-width: 901px) and (max-width: 1100px) { .trainer--lead .trainer__meta { display: block; } }

/* ---------- Refund guarantee ---------- */
.refund { position: relative; overflow: hidden; isolation: isolate; }
.refund::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(74, 22, 32, .62), rgba(74, 22, 32, .94) 68%), var(--knurl) center / cover; }
.refund__in { display: grid; grid-template-columns: auto 1fr; gap: clamp(32px, 7vw, 112px); align-items: center; }
.refund__badge { display: grid; place-items: center; width: clamp(190px, 24vw, 280px); aspect-ratio: 1; border-radius: 50%; border: 2px solid #e0c27c; box-shadow: inset 0 0 0 10px rgba(74, 22, 32, .9), inset 0 0 0 11px rgba(224, 194, 124, .7), 0 0 0 10px rgba(224, 194, 124, .14); text-align: center; }
.refund__badge span { font-size: clamp(1.15rem, 2.2vw, 1.6rem); font-weight: 700; line-height: 1.5; letter-spacing: .12em; color: #ecd496; padding: 0 28px; }
.refund .sec-title { margin-bottom: 28px; }
.refund .sec-title__en { font-size: clamp(3rem, 7vw, 5.4rem); }
.refund__lead { margin-bottom: 20px; font-size: clamp(1.35rem, 2.8vw, 2.1rem); font-weight: 700; line-height: 1.6; }
.refund__text { max-width: 36em; margin-bottom: 36px; color: var(--muted); }
@media (max-width: 760px) { .refund__in { grid-template-columns: 1fr; justify-items: start; } .refund__badge { width: 180px; } }

/* ---------- Greeting ---------- */
.prose p { font-size: 1.02rem; line-height: 2.15; }
.more { margin-top: 1.2em; }
.more > p:first-of-type { margin-top: 1.2em; }
.more summary { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border: 1px solid var(--ink); border-radius: 2px; font-weight: 700; letter-spacing: .08em; cursor: pointer; list-style: none; transition: background-color .25s, color .25s; }
.more summary::-webkit-details-marker { display: none; }
.more summary:hover { background: var(--ink); color: var(--chalk); }
.more summary .ico { transition: transform .25s; }
.more[open] summary { margin-bottom: 1em; }
.more[open] summary .ico { transform: rotate(45deg); }
.more__close { display: none; }
.more[open] .more__open { display: none; }
.more[open] .more__close { display: inline; }

/* ---------- Access & Contact ---------- */
.access { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 112px); align-items: start; }
.access .sec-title { margin-bottom: 36px; }
.map { aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--line-dark); border-radius: 2px; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.85) contrast(1.05) brightness(.9); }
.access__addr { display: flex; gap: 12px; align-items: flex-start; margin-top: 20px; color: var(--muted-dark); }
.access__addr .ico { margin-top: .3em; color: var(--brass); }
.contact__lead { margin-bottom: 28px; color: var(--muted-dark); }
@media (max-width: 900px) { .access { grid-template-columns: 1fr; } }

.form .field { margin-bottom: 22px; border: 0; padding: 0; min-width: 0; }
.form label, .form legend { display: block; margin-bottom: 8px; padding: 0; font-size: .92rem; font-weight: 700; letter-spacing: .06em; }
.req { display: inline-block; margin-left: 8px; padding: 1px 8px; background: var(--brass); color: var(--iron); font-size: .72rem; letter-spacing: .08em; }
.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form textarea {
  width: 100%; min-height: 52px; padding: 12px 16px; background: rgba(243, 240, 232, .05); color: var(--chalk);
  border: 1px solid rgba(243, 240, 232, .28); border-radius: 2px; font: inherit; letter-spacing: .03em; transition: border-color .2s, background-color .2s;
}
.form textarea { min-height: 160px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--brass); background: rgba(243, 240, 232, .09); }
.field--check { display: grid; gap: 4px; }
.check { display: flex !important; align-items: center; gap: 12px; margin: 0 !important; padding: 8px 0; font-weight: 500 !important; cursor: pointer; }
.check input { appearance: none; -webkit-appearance: none; flex: none; width: 22px; height: 22px; margin: 0; border: 1px solid rgba(243, 240, 232, .5); border-radius: 2px; background: transparent; display: grid; place-items: center; cursor: pointer; }
.check input::after { content: ""; width: 11px; height: 6px; border-left: 2px solid var(--iron); border-bottom: 2px solid var(--iron); transform: rotate(-45deg) translate(1px, -1px); opacity: 0; }
.check input:checked { background: var(--brass); border-color: var(--brass); }
.check input:checked::after { opacity: 1; }
.form .btn { width: 100%; margin-top: 8px; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { padding: 20px 24px; border: 1px solid var(--brass); border-radius: 2px; background: rgba(199, 163, 90, .1); }
.form-msg--err { border-color: #e08a7c; background: rgba(224, 138, 124, .1); }
.form-ext input, .form-ext textarea, .form-ext select { max-width: 100%; }

/* ---------- Footer ---------- */
.site-footer { background: var(--iron-3); color: var(--muted-dark); padding-top: clamp(48px, 7vw, 88px); }
.site-footer__in { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 40px; align-items: start; }
.site-footer__addr { margin-top: 20px; font-size: .88rem; }
.site-footer__note { font-size: .82rem; }
.site-footer__list { display: grid; grid-template-columns: repeat(2, auto); gap: 4px 32px; justify-content: start; }
.site-footer__list a { display: inline-block; padding: 6px 0; font-size: .9rem; text-decoration: none; }
.site-footer__list a:hover { color: var(--brass); }
.site-footer__sns { display: flex; gap: 8px; }
.site-footer__copy { margin: clamp(40px, 6vw, 72px) 0 0; padding: 22px var(--gutter); border-top: 1px solid var(--line-dark); text-align: center; font-size: .8rem; letter-spacing: .1em; }
@media (max-width: 860px) { .site-footer__in { grid-template-columns: 1fr; } }

/* ---------- Sub pages ---------- */
.page-head { padding: calc(var(--header-h) + clamp(48px, 8vw, 96px)) 0 clamp(36px, 5vw, 56px); background: var(--iron); border-bottom: 1px solid var(--line-dark); }
.page-head__title { font-weight: 600; letter-spacing: 0; }
.page-head__title .sec-title__en { font-size: clamp(3.4rem, 9vw, 7rem); }
.page-head__title .sec-title__ja { color: var(--brass); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.chips a { display: inline-block; padding: 6px 16px; border: 1px solid var(--line-dark); border-radius: 999px; font-size: .86rem; text-decoration: none; transition: border-color .2s, color .2s; }
.chips a:hover, .chips a[aria-current] { border-color: var(--brass); color: var(--brass); }
.sec--list { padding-top: clamp(40px, 6vw, 72px); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.5vw, 36px); }
.card { background: var(--iron-2); border: 1px solid var(--line-dark); border-radius: 2px; overflow: hidden; }
.card__link { display: block; height: 100%; text-decoration: none; }
.card__img { margin: 0; aspect-ratio: 3 / 2; overflow: hidden; background: var(--iron-3); }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card__link:hover .card__img img { transform: scale(1.04); }
.card__body { padding: 24px; }
.card__date { display: block; margin-bottom: 8px; font-family: var(--font-en); font-size: 1rem; letter-spacing: .08em; color: var(--brass); }
.card__title { margin-bottom: 12px; font-size: 1.05rem; line-height: 1.6; }
.card__excerpt { margin: 0; font-size: .86rem; color: var(--muted-dark); line-height: 1.8; }
@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }
.empty { color: var(--muted-dark); }
.pager { display: flex; justify-content: center; margin-top: 56px; }
.pager .page-numbers { display: inline-grid; place-items: center; min-width: 44px; height: 44px; margin: 0 3px; padding: 0 12px; border: 1px solid var(--line-dark); border-radius: 2px; text-decoration: none; font-size: .9rem; }
.pager .page-numbers.current, .pager a.page-numbers:hover { background: var(--brass); border-color: var(--brass); color: var(--iron); }

.article__meta { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; font-family: var(--font-en); font-size: 1.05rem; letter-spacing: .08em; color: var(--brass); }
.article__meta a { padding: 2px 12px; border: 1px solid currentColor; border-radius: 999px; font-family: var(--font-jp); font-size: .78rem; text-decoration: none; }
.article__title { font-size: clamp(1.6rem, 4vw, 2.6rem); line-height: 1.5; }
.sec--article { padding-top: clamp(40px, 6vw, 72px); }
.article__thumb { margin: 0 0 40px; }
.article__thumb img { width: 100%; border-radius: 2px; }
.entry { font-size: 1.04rem; line-height: 2.1; }
.entry > * + * { margin-top: 1.4em; }
.entry h2 { margin-top: 2.4em; padding-left: 16px; border-left: 4px solid var(--brass-ink); font-size: 1.5rem; }
.entry h3 { margin-top: 2em; padding-bottom: 8px; border-bottom: 1px solid var(--line-light); font-size: 1.25rem; }
.entry ul, .entry ol { padding-left: 1.4em; }
.entry ul { list-style: disc; }
.entry ol { list-style: decimal; }
.entry a { color: var(--brass-ink); }
.entry img { border-radius: 2px; }
.entry blockquote { margin-inline: 0; padding: 8px 0 8px 24px; border-left: 3px solid var(--line-light); color: var(--muted-light); }
.entry table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.entry th, .entry td { padding: 10px 12px; border: 1px solid var(--line-light); text-align: left; }
.entry figure { margin-inline: 0; }
.entry figcaption { font-size: .85rem; color: var(--muted-light); }
.entry .alignwide, .entry .alignfull { max-width: 100%; }
.entry .aligncenter { margin-inline: auto; }
.entry iframe { width: 100%; }
.article__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
.article__nav a { display: block; padding: 18px 20px; border: 1px solid var(--line-light); border-radius: 2px; text-decoration: none; line-height: 1.6; }
.article__nav a:hover { border-color: var(--ink); }
.article__nav small { display: block; margin-bottom: 4px; color: var(--brass-ink); font-weight: 700; }
.article__next { grid-column: 2; text-align: right; }
.article__prev { grid-column: 1; }

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__bg img, .hero__title .line__in { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}