/* Layout concept: steel on charcoal — the real roaster cutouts are oversized and bleed toward the edges,
   copy sits tight on the left; warm-paper sections carry the guidebook illustrations like printed pages;
   on desktop the HOW TO steps run sideways as you scroll, like turning the field guide. */
:root {
  --char: #1b1a18;
  --char-2: #24221f;
  --char-3: #34312c;
  --paper: #f2eee6;
  --paper-2: #e6e0d4;
  --steel: #b9bdbf;
  --steel-hi: #e6e8e8;
  --steel-lo: #7d8387;
  --ember: #c7000c;      /* flame red, sampled from the guidebook illustrations */
  --ember-hi: #de0f1b;
  --ember-lt: #f0393f;   /* red for small text on charcoal */
  --ember-ink: #c7000c;
  --ink: #1b1a18;
  --ink-2: #4b463f;
  --ink-3: #6d675e;
  --on-dark: #f2eee6;
  --on-dark-2: #bdb6aa;
  --line-dark: rgba(242, 238, 230, .14);
  --line-paper: rgba(27, 26, 24, .16);

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", Meiryo, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(16px, 4.5vw, 64px);
  --maxw: 1240px;
  --header-h: 64px;
  --radius: 4px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  background: var(--char);
  color: var(--on-dark);
  font-family: var(--f-jp);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; text-wrap: balance; font-weight: 900; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
[hidden] { display: none !important; }

:focus-visible { outline: 2px solid var(--ember-lt); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ember); color: var(--paper); padding: 8px 14px; font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }

.wrap { width: 100%; max-width: calc(var(--maxw) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- type helpers ---------- */
.en {
  font-family: var(--f-display);
  font-stretch: 125%;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--ember); }
.sec-title { display: grid; gap: 10px; }
.sec-title .en-big {
  font-family: var(--f-display); font-stretch: 125%; font-weight: 900;
  font-size: clamp(40px, 8.4vw, 112px); line-height: .9; letter-spacing: .01em; text-transform: uppercase;
}
.sec-title .ja { font-size: clamp(17px, 2vw, 22px); font-weight: 700; letter-spacing: .06em; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--ember); --fg: var(--paper);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px;
  background: var(--bg); color: var(--fg);
  border: 2px solid var(--bg); border-radius: 999px;
  font-weight: 700; font-size: 15px; letter-spacing: .08em; text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { --bg: var(--ember-hi); transform: translateY(-1px); }
.btn .arrow { width: 16px; height: 16px; flex: none; }
.btn--ghost { --bg: transparent; --fg: var(--on-dark); border-color: rgba(242, 238, 230, .5); }
.btn--ghost:hover { --bg: transparent; border-color: var(--on-dark); }
.btn--ink { --bg: var(--char); --fg: var(--paper); }
.btn--ink:hover { --bg: var(--char-3); }
.btn--sm { min-height: 40px; padding: 0 18px; font-size: 13px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  height: var(--header-h);
  background: rgba(27, 26, 24, .95);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .wrap { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; flex: none; }
.brand img { width: 118px; height: auto; transition: opacity .35s var(--ease), transform .35s var(--ease); }
.site-header.hero-logo-on .brand img { opacity: 0; transform: translateY(-6px); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) {
  text-decoration: none; font-size: 13px; font-weight: 700; letter-spacing: .08em;
  padding: 8px 12px; border-radius: 999px; color: var(--on-dark-2); transition: color .2s;
}
.nav a:not(.btn):hover, .nav a[aria-current="page"] { color: var(--on-dark); }
.nav .nav-fg { color: var(--on-dark) !important; border: 1px solid var(--line-dark); }
.nav .btn { margin-left: 8px; }
.nav .nav-lang { font-family: var(--f-mono); font-size: 12px !important; letter-spacing: .14em; color: var(--on-dark-2); }
.menu-toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border: 1px solid var(--line-dark); border-radius: 999px; background: transparent; cursor: pointer;
  align-items: center; justify-content: center;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--on-dark); position: relative; transition: transform .25s var(--ease), background .2s;
}
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; } .menu-toggle span::after { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }
.header-buy { display: none; }

@media (max-width: 960px) {
  .brand img { width: 104px; }
  .menu-toggle { display: inline-flex; margin-left: 0; }
  .header-buy { display: inline-flex; margin-left: auto; }
  .nav {
    position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--char); border-bottom: 1px solid var(--line-dark);
    padding: 8px var(--gutter) 24px;
    max-height: calc(100svh - var(--header-h)); overflow-y: auto;
  }
  .nav:not(.is-open) { display: none; }
  .nav a:not(.btn) { font-size: 16px; padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line-dark); color: var(--on-dark); }
  .nav .nav-fg { border: 0; border-bottom: 1px solid var(--line-dark); }
  .nav .btn { margin: 18px 0 0; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: calc(100svh - var(--header-h));
  display: grid; align-items: center;
  background:
    radial-gradient(60% 55% at 72% 78%, rgba(199, 0, 12, .30), transparent 70%),
    radial-gradient(70% 70% at 70% 30%, rgba(230, 232, 232, .10), transparent 70%),
    var(--char);
}
.hero::before { /* steel texture */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: url("../img/tex-steel.webp") center / cover no-repeat;
  opacity: .12; mix-blend-mode: screen;
}
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 24px; padding-block: 48px 56px; }
.hero-copy { position: relative; z-index: 2; display: grid; gap: 28px; justify-items: start; }
.hero-copy .eyebrow { color: var(--steel); }
.hero-title {
  font-size: clamp(34px, 5.6vw, 84px); line-height: 1.22; letter-spacing: .02em; font-weight: 900;
}
.hero-title .line { display: block; }
.hero-logo { margin: 0; line-height: 0; }
.hero-logo img { width: clamp(360px, 44vw, 600px); height: auto; }
.hero-sub { font-size: clamp(15px, 1.4vw, 18px); color: var(--on-dark-2); max-width: 30em; line-height: 2; }
.hero-brand { display: grid; gap: clamp(8px, 1.2vw, 16px); justify-items: start; }
.hero-badge { margin: clamp(4px, 1.1vw, 14px) 0 0 -.4%; line-height: 0; }
.hero-badge img { width: clamp(170px, 18vw, 260px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-photo {
  position: relative; justify-self: center;
}
.hero-photo img {
  height: min(calc(100svh - var(--header-h) - 72px), 900px); width: auto; max-width: none;
  filter: drop-shadow(0 40px 50px rgba(0, 0, 0, .55)) drop-shadow(0 0 1px rgba(255, 255, 255, .15));
  animation: heroDrift 16s var(--ease) infinite alternate;
  transform-origin: 50% 80%;
}
.hero-photo::after { /* warm glow under the dome */
  content: ""; position: absolute; left: 50%; bottom: 2%; width: 120%; height: 30%; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(222, 15, 27, .38), transparent);
  z-index: -1; filter: blur(10px);
  animation: emberPulse 4.8s ease-in-out infinite alternate;
}
.hero-spine {
  position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%);
  writing-mode: vertical-rl; font-size: 12px; color: var(--steel-lo); letter-spacing: .4em;
}
.hero-scroll {
  position: absolute; left: var(--gutter); bottom: 22px; font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em; color: var(--steel-lo);
  display: flex; align-items: center; gap: 10px;
}
.hero-scroll::after { content: ""; width: 48px; height: 1px; background: currentColor; transform-origin: left; animation: scrollLine 2.4s var(--ease) infinite; }

@keyframes heroDrift { from { transform: scale(1) translateY(0); } to { transform: scale(1.035) translateY(-1.2%); } }
@keyframes emberPulse { from { opacity: .65; } to { opacity: 1; } }
@keyframes scrollLine { 0% { transform: scaleX(0); } 60% { transform: scaleX(1); } 100% { transform: scaleX(1); opacity: 0; } }

/* load-in sequence (runs once, resting state is visible) */
.hero-copy > * { animation: rise .9s var(--ease) both; }
.hero-copy > *:nth-child(2) { animation-delay: .08s; }
.hero-copy > *:nth-child(3) { animation-delay: .16s; }
.hero-copy > *:nth-child(4) { animation-delay: .24s; }
.hero-copy > *:nth-child(5) { animation-delay: .32s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.hero-mobile-sub { display: none; }
@media (max-width: 600px) { .hero-sub .ln { display: block; } .hero-sub br.pc { display: none; } }
.hero-stack { display: grid; gap: 28px; justify-items: start; }
.hero-stack > * { animation: rise .9s var(--ease) both; }
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; padding-block: 26px 22px; gap: 0; min-height: calc(100svh - var(--header-h)); }
  .hero-copy { display: contents; }
  .hero-stack { grid-row: 1; gap: 14px; max-width: 60%; position: relative; z-index: 2; }
  .hero-copy .eyebrow { font-size: 10px; letter-spacing: .14em; }
  .hero-logo img { width: clamp(188px, 46vw, 380px); max-width: 100%; filter: drop-shadow(0 2px 14px rgba(0, 0, 0, .7)); }
  .hero-sub { font-size: clamp(12.5px, 2.1vw, 16px); line-height: 1.9; text-shadow: 0 1px 10px rgba(0, 0, 0, .9); }
  .hero-brand { gap: 6px; }
  .hero-badge img { width: clamp(130px, 30vw, 230px); }
  .hero-actions { grid-row: 3; z-index: 3; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; padding-top: 14px; }
  .hero-actions .btn { padding: 0 10px; font-size: 14px; letter-spacing: .04em; }
  .hero-photo { position: absolute; right: -4px; top: 14px; bottom: 92px; height: auto; z-index: 1; display: block; }
  .hero-photo img { height: 100%; width: auto; margin-left: auto; max-height: none; }
  .hero-spine, .hero-scroll { display: none; }
}

/* ---------- side band ---------- */
.steel-band {
  position: relative; overflow: hidden; background: var(--char);
  padding-block: clamp(28px, 6vw, 80px);
  border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark);
}
.steel-band .marquee {
  font-family: var(--f-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase;
  font-size: clamp(54px, 13vw, 200px); line-height: 1; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(185, 189, 191, .35);
  position: absolute; left: 0; top: 50%; transform: translate3d(var(--mx, 0px), -50%, 0);
  will-change: transform;
}
.steel-band img {
  position: relative; width: min(118vw, 1700px); max-width: none; margin-left: 50%;
  transform: translate3d(calc(-50% + var(--sx, 0px)), 0, 0);
  filter: drop-shadow(0 28px 30px rgba(0, 0, 0, .6));
  will-change: transform;
}
.steel-band figcaption {
  position: relative; margin-top: 14px; text-align: center; font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em; color: var(--steel-lo);
}

/* ---------- sections ---------- */
.section { padding-block: clamp(80px, 12vw, 160px); position: relative; }
.section--paper { background: var(--paper); color: var(--ink); }
.section--paper .eyebrow { color: var(--ink-2); }
.section--dark { background: var(--char); color: var(--on-dark); }
.section--dark2 { background: var(--char-2); color: var(--on-dark); }
.section-head { display: grid; gap: 22px; margin-bottom: clamp(40px, 6vw, 80px); }
.section-head .lead { max-width: 34em; font-size: clamp(15px, 1.3vw, 17px); }
.section--paper .lead { color: var(--ink-2); }
.section--dark .lead, .section--dark2 .lead { color: var(--on-dark-2); }

/* ---------- experience ---------- */
.exp-photo {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: clamp(460px, 82vh, 860px);
  display: grid; align-items: end;
  color: var(--paper);
}
.exp-photo picture, .exp-photo img.bg {
  position: absolute; inset: -6% 0; z-index: -2;
}
.exp-photo img.bg { width: 100%; height: 112%; object-fit: cover; object-position: 50% 45%; transform: translate3d(0, var(--py, 0px), 0) scale(1.06); will-change: transform; }
.exp-photo::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(27, 26, 24, 0) 30%, rgba(27, 26, 24, .55) 62%, rgba(27, 26, 24, .92) 100%);
}
.exp-photo .wrap { padding-block: 48px clamp(40px, 6vw, 80px); display: grid; gap: 18px; }
.exp-photo .eyebrow { color: var(--steel-hi); }
.exp-photo h2 { font-size: clamp(34px, 6.2vw, 88px); line-height: 1.15; }
.exp-photo h2 small { display: block; font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(12px, 1.3vw, 16px); letter-spacing: .2em; color: var(--steel); margin-top: 14px; text-transform: uppercase; }

.senses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.sense { padding: clamp(28px, 4vw, 52px) clamp(18px, 2.4vw, 36px); display: grid; gap: 14px; align-content: start; border-right: 1px solid var(--line-dark); }
.sense:last-child { border-right: 0; }
.sense .label { font-family: var(--f-mono); font-size: 11px; letter-spacing: .22em; color: var(--steel-lo); text-transform: uppercase; }
.sense .value { font-family: var(--f-display); font-stretch: 125%; font-weight: 900; font-size: clamp(30px, 4vw, 54px); line-height: 1; color: var(--ember-lt); letter-spacing: .01em; }
.sense .value small { font-size: .42em; margin-left: 4px; color: var(--on-dark-2); letter-spacing: .1em; }
.sense h3 { font-size: clamp(18px, 1.7vw, 22px); }
.sense p { color: var(--on-dark-2); font-size: 15px; }
@media (max-width: 760px) {
  .senses { grid-template-columns: 1fr; }
  .sense { border-right: 0; border-bottom: 1px solid var(--line-dark); gap: 10px; padding-inline: 0; }
  .sense .value { font-size: 34px; }
}

.exp-illust { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(28px, 6vw, 96px); }
.exp-illust img { width: 100%; max-width: 560px; justify-self: center; }
.exp-illust .quote { font-size: clamp(22px, 2.8vw, 36px); font-weight: 900; line-height: 1.7; }
.exp-illust .quote-en { margin-top: 18px; font-size: 12px; letter-spacing: .2em; color: var(--ink-3); }
@media (max-width: 760px) { .exp-illust { grid-template-columns: 1fr; } .exp-illust img { max-width: 340px; } }

/* ---------- product ---------- */
.product { overflow: hidden; }
.product::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: url("../img/tex-steel.webp") center / cover; opacity: .07; mix-blend-mode: screen;
}
.product-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(36px, 6vw, 96px); align-items: start; }
.views { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-items: end; }
.view {
  position: relative; margin: 0; display: grid; gap: 12px; justify-items: center;
  padding: 28px 12px 18px; border-radius: var(--radius);
  background: radial-gradient(80% 60% at 50% 40%, rgba(230, 232, 232, .09), transparent 70%), var(--char-2);
  border: 1px solid var(--line-dark);
}
.view img { height: clamp(300px, 44vw, 560px); width: auto; filter: drop-shadow(0 22px 24px rgba(0, 0, 0, .5)); transition: transform .8s var(--ease); }
.view:hover img { transform: translateY(-6px); }
.view--package { grid-column: 1 / -1; background: radial-gradient(60% 50% at 50% 55%, rgba(199, 0, 12, .22), transparent 70%), var(--char-2); padding-block: 36px 18px; }
.view.view--package img { height: clamp(380px, 46vw, 680px); width: auto; filter: drop-shadow(0 30px 34px rgba(0, 0, 0, .55)); }
.bonus { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(199, 0, 12, .08); font-weight: 700; font-size: 15px; line-height: 1.5; }
.bonus small { display: block; font-weight: 500; font-size: 11.5px; color: var(--on-dark-2); letter-spacing: .02em; margin-top: 2px; }
.bonus-tag { flex: none; font-size: 12px; letter-spacing: .1em; padding: 4px 10px; border-radius: 999px; background: var(--ember); color: var(--paper); }
.view--side { grid-column: 1 / -1; padding-block: 28px 16px; }
/* keep the side photo at its true proportions (never stretched by .view img height rules) */
.view.view--side img { height: auto; width: 100%; max-width: 760px; aspect-ratio: 1200 / 237; object-fit: contain; }
.view figcaption { font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em; color: var(--steel); }
.product-info { display: grid; gap: 28px; position: sticky; top: calc(var(--header-h) + 32px); }
.product-name { font-family: var(--f-display); font-stretch: 125%; font-weight: 900; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.02; text-transform: uppercase; letter-spacing: .01em; }
.product-name-ja { font-size: 14px; color: var(--on-dark-2); margin-top: 10px; letter-spacing: .1em; }
.product-ne { width: clamp(150px, 15vw, 200px); margin-top: 10px; }
.price { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price .num { font-family: var(--f-display); font-stretch: 112%; font-weight: 800; font-size: clamp(38px, 4vw, 54px); line-height: 1; font-variant-numeric: tabular-nums; }
.price .unit { font-size: 16px; font-weight: 700; }
.price .tax { font-size: 14px; color: var(--on-dark-2); }
.features { display: grid; gap: 0; border-top: 1px solid var(--line-dark); }
.features li { display: grid; grid-template-columns: 9.5em minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line-dark); font-size: 14px; line-height: 1.75; }
.features .k { font-weight: 700; }
.features .k small { display: block; font-family: var(--f-mono); font-weight: 500; font-size: 10px; letter-spacing: .16em; color: var(--steel-lo); }
.features .v { color: var(--on-dark-2); }
.specs { display: grid; grid-template-columns: max-content minmax(0, 1fr); column-gap: 20px; row-gap: 8px; font-size: 13px; line-height: 1.7; }
.specs dt { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; color: var(--steel); padding-top: 2px; text-transform: uppercase; }
.specs dd { color: var(--on-dark-2); font-variant-numeric: tabular-nums; }
.specs-title { font-family: var(--f-mono); font-size: 12px; letter-spacing: .2em; color: var(--steel-hi); margin-bottom: 12px; }
.compat { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-dark); color: var(--on-dark); }
.chip b { font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; padding: 1px 6px; border-radius: 999px; }
.chip--ok b { background: var(--steel-hi); color: var(--char); }
.chip--no b { background: transparent; border: 1px solid var(--on-dark-2); color: var(--on-dark-2); }
.buy-block { display: grid; gap: 10px; }
.buy-block .btn { width: 100%; min-height: 60px; font-size: 16px; }
.buy-note { font-size: 12px; color: var(--on-dark-2); }
@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-info { position: static; }
  .view img { height: clamp(260px, 80vw, 420px); }
  .view.view--package img { height: clamp(380px, 120vw, 560px); }
}

/* craft (VINTAGE INOX) */
.craft { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 96px); align-items: center; margin-top: clamp(80px, 12vw, 160px); position: relative; }
.craft figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); }
.craft figure img { width: 100%; aspect-ratio: 1100 / 860; object-fit: cover; object-position: 50% 50%; transform: scale(1.05); transition: transform 1.6s var(--ease); }
.craft figure.is-in img { transform: scale(1); }
.craft-text { display: grid; gap: 20px; }
.craft-text h3 { font-size: clamp(22px, 2.6vw, 34px); line-height: 1.6; }
.craft-text p { color: var(--on-dark-2); font-size: 15px; max-width: 34em; }
.craft-text .craft-link { justify-self: start; }
.craft-text .tm { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; color: var(--steel); }
@media (max-width: 760px) { .craft { grid-template-columns: 1fr; } .craft figure img { aspect-ratio: 1100 / 860; } }

/* ---------- HOW TO ---------- */
.howto { overflow: clip; }
.howto .section-head { padding-inline: var(--gutter); max-width: calc(var(--maxw) + var(--gutter) * 2); margin-inline: auto; }
.howto-intro { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px; }
.howto-progress { display: none; }
.steps { display: grid; gap: clamp(56px, 10vw, 96px); padding-inline: var(--gutter); max-width: calc(var(--maxw) + var(--gutter) * 2); margin-inline: auto; }
.step { display: grid; gap: 22px; align-content: start; position: relative; }
.step-num {
  display: flex; align-items: baseline; gap: 12px;
  font-family: var(--f-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase;
}
.step-num .n { font-size: clamp(56px, 7vw, 96px); line-height: .8; color: var(--ember); }
.step-num .l { font-size: 12px; letter-spacing: .24em; color: var(--ink-2); }
.step-art { display: grid; gap: 12px; align-items: center; justify-items: center; min-height: 0; }
.step-art { justify-items: start; }
.step-art img { width: 100%; height: auto; }
.step-art > img, .step-art > .zoom { width: 80%; } /* illustrations shown at ~80% */
.step-art--pair { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
.step-art--stack { grid-template-columns: 1fr; }
.step-art--stack img:first-child { width: 50%; justify-self: start; }
.step-art--stack img:last-child { width: 51%; justify-self: start; margin: -3% 0 0 22%; }
.step-art .zoom { display: block; color: inherit; text-decoration: none; position: relative; }
.step-art .zoom::after {
  content: "拡大"; position: absolute; right: 0; bottom: -2px; font-size: 11px; font-weight: 700; letter-spacing: .1em;
  background: var(--char); color: var(--paper); padding: 2px 8px; border-radius: 999px;
}
.step-body { display: grid; gap: 10px; max-width: 30em; }
.step-body h3 { font-size: clamp(22px, 2.3vw, 30px); }
.step-body .en-sub { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: 11px; letter-spacing: .2em; color: var(--ink-3); text-transform: uppercase; }
.step-body p { font-size: 15px; color: var(--ink-2); }
.step-body .point { font-size: 13px; color: var(--ink-2); border-left: 3px solid var(--ember); padding-left: 12px; line-height: 1.8; }
.step-body .point b { color: var(--ember-ink); font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; display: block; }

/* desktop: steps run sideways while the section is pinned */
@media (min-width: 1024px) {
  .js .howto.is-pinnable .howto-pin { height: var(--pin-h, 400vh); position: relative; }
  .js .howto.is-pinnable .howto-sticky {
    position: sticky; top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
    height: calc(100svh - var(--header-h)); overflow: hidden; display: grid; align-content: center;
  }
  .js .howto.is-pinnable .steps {
    display: flex; gap: clamp(48px, 5vw, 96px); max-width: none; margin: 0; width: max-content;
    padding-inline: var(--gutter) 12vw;
    transform: translate3d(var(--tx, 0px), 0, 0); will-change: transform;
  }
  .js .howto.is-pinnable .step {
    width: min(58vw, 860px); grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr) auto;
    height: calc(100svh - var(--header-h) - 120px); max-height: 760px;
  }
  .js .howto.is-pinnable .step-art { height: 100%; min-height: 0; grid-template-rows: minmax(0, 1fr); overflow: hidden; }
  .js .howto.is-pinnable .step-art { align-items: center; }
  .js .howto.is-pinnable .step-art > img, .js .howto.is-pinnable .step-art > .zoom {
    width: 80%; height: 80%; max-height: none; object-fit: contain; object-position: left center;
  }
  .js .howto.is-pinnable .step-art .zoom img { width: 100%; height: 100%; object-fit: contain; object-position: left center; }
  .js .howto.is-pinnable .step-art .zoom::after { top: 0; bottom: auto; right: 0; }
  .js .howto.is-pinnable .step-art--pair { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 24px; }
  .js .howto.is-pinnable .step-art--pair img:last-child { object-position: center; }
  .js .howto.is-pinnable .step-art--stack { grid-template-rows: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; }
  .js .howto.is-pinnable .step-art--stack img:first-child, .js .howto.is-pinnable .step-art--stack img:last-child { width: 80%; height: 80%; margin: 0; justify-self: start; align-self: center; }
  .js .howto.is-pinnable .step-art--stack img:last-child { object-position: 30% center; }
  .js .howto.is-pinnable .step::after { /* connector line between steps */
    content: ""; position: absolute; top: 40px; left: calc(100% + 12px); width: calc(clamp(48px, 5vw, 96px) - 24px); height: 2px;
    background: repeating-linear-gradient(90deg, var(--ember) 0 8px, transparent 8px 14px);
  }
  .js .howto.is-pinnable .step:last-child::after { display: none; }
  .js .howto.is-pinnable .howto-progress {
    display: flex; gap: 8px; align-items: center; position: absolute; left: var(--gutter); bottom: 24px;
    font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; color: var(--ink-2);
  }
  .howto-progress .bar { width: 160px; height: 2px; background: var(--line-paper); position: relative; overflow: hidden; }
  .howto-progress .bar i { position: absolute; inset: 0; background: var(--ember); transform-origin: left; transform: scaleX(var(--p, 0)); }
  .js .howto.is-pinnable .section-head { margin-bottom: 32px; }
}
@media (min-width: 1024px) and (max-height: 760px) {
  .js .howto.is-pinnable .step-num .n { font-size: 56px; }
  .js .howto.is-pinnable .step-body p { font-size: 14px; }
  .js .howto.is-pinnable .step-body .point { display: none; }
}

.howto-after { padding-inline: var(--gutter); max-width: calc(var(--maxw) + var(--gutter) * 2); margin: clamp(64px, 9vw, 120px) auto 0; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.caution { border-top: 2px solid var(--char); padding-top: 20px; display: grid; gap: 14px; }
.caution h3 { font-size: 18px; display: flex; gap: 12px; align-items: baseline; }
.caution h3 .en { font-size: 11px; color: var(--ink-3); letter-spacing: .2em; }
.caution ul { display: grid; gap: 8px; }
.caution li { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; padding-left: 1.2em; position: relative; }
.caution li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; background: var(--ember); border-radius: 50%; }
.to-video {
  display: grid; gap: 16px; padding: 28px; border-radius: var(--radius); background: var(--char); color: var(--paper);
  position: relative; overflow: hidden; isolation: isolate;
}
.to-video::before { content: ""; position: absolute; inset: 0; z-index: -1; background: url("../img/guide-cover-1000.webp") 80% 50% / cover; opacity: .35; }
.to-video h3 { font-size: 22px; }
.to-video p { font-size: 14px; color: var(--on-dark-2); }
.to-video .btn { justify-self: start; }
@media (max-width: 860px) { .howto-after { grid-template-columns: 1fr; } }

/* ---------- news ---------- */
.news-list { display: grid; border-top: 1px solid var(--line-dark); }
.news-item { display: grid; grid-template-columns: 11em minmax(0, 1fr); gap: clamp(16px, 4vw, 56px); padding-block: 32px; border-bottom: 1px solid var(--line-dark); }
.news-meta { display: grid; gap: 8px; align-content: start; }
.news-date { font-family: var(--f-mono); font-size: 13px; letter-spacing: .08em; color: var(--steel-hi); font-variant-numeric: tabular-nums; }
.news-tag { justify-self: start; font-family: var(--f-mono); font-size: 10px; letter-spacing: .18em; padding: 3px 10px; border: 1px solid var(--ember-lt); color: var(--ember-lt); border-radius: 999px; }
.news-body { display: grid; gap: 14px; }
.news-body h3 { font-size: clamp(19px, 2vw, 24px); }
.news-body p { color: var(--on-dark-2); font-size: 15px; }
.news-sched { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; font-size: 14px; color: var(--on-dark-2); font-variant-numeric: tabular-nums; }
.news-sched dt { color: var(--on-dark); font-weight: 700; }
.news-links { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.news-links a { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; padding: 8px 14px; border: 1px solid var(--line-dark); border-radius: 999px; text-decoration: none; transition: border-color .2s; }
.news-links a:hover { border-color: var(--on-dark); }
.news-links svg { width: 12px; height: 12px; }
.news-src { font-size: 12px; color: var(--on-dark-2); }
@media (max-width: 640px) { .news-item { grid-template-columns: 1fr; gap: 12px; } .news-meta { display: flex; gap: 12px; align-items: center; } }

/* ---------- stores + sns ---------- */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(48px, 8vw, 120px); }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.mini-head { display: grid; gap: 6px; margin-bottom: 24px; }
.mini-head h2 { font-family: var(--f-display); font-stretch: 125%; font-weight: 900; font-size: clamp(30px, 4vw, 48px); line-height: 1; text-transform: uppercase; }
.mini-head p { font-size: 14px; font-weight: 700; color: var(--ink-2); }
.store-list { border-top: 1px solid var(--line-paper); }
.store-list li { display: grid; grid-template-columns: 5.5em minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line-paper); font-size: 14px; }
.store-list .area { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; color: var(--ink-2); }
.store-list .name { font-weight: 700; min-width: 0; }
.store-list .name small { display: block; font-weight: 500; font-size: 12px; color: var(--ink-3); }
.store-list a { font-size: 12px; font-weight: 700; color: var(--ink); text-underline-offset: 3px; }
.dealers { margin-top: 28px; display: grid; gap: 12px; }
.dealers h3 { font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--ink); }
.dealers ul { display: grid; gap: 2px; padding-top: 10px; border-top: 1px solid var(--line-paper); }
.dealers li { font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }
.sns-list { display: grid; gap: 12px; }
.sns-link {
  display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 16px; align-items: center;
  padding: 16px 18px; border: 1px solid var(--line-paper); border-radius: var(--radius); text-decoration: none; color: var(--ink);
  transition: border-color .2s, transform .3s var(--ease);
}
.sns-link:hover { border-color: var(--char); transform: translateX(3px); }
.sns-link .ic { width: 48px; height: 48px; border-radius: 50%; background: var(--char); color: var(--paper); display: grid; place-items: center; }
.sns-link .ic svg { width: 22px; height: 22px; }
.sns-link .t { font-weight: 700; font-size: 15px; line-height: 1.4; }
.sns-link .t small { display: block; font-family: var(--f-mono); font-weight: 500; font-size: 11px; color: var(--ink-3); letter-spacing: .04em; overflow-wrap: anywhere; }
.sns-link .go { width: 18px; height: 18px; color: var(--ink-2); }

/* ---------- company / footer ---------- */
.company { display: grid; gap: 36px; }
.company-lead { font-size: clamp(16px, 1.6vw, 20px); font-weight: 700; line-height: 1.9; max-width: 36em; }
.company-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.co { display: grid; gap: 10px; padding: 26px; border: 1px solid var(--line-dark); border-radius: var(--radius); align-content: start; }
.co .role { font-family: var(--f-mono); font-size: 11px; letter-spacing: .18em; color: var(--ember-lt); text-transform: uppercase; }
.co h3 { font-size: 18px; }
.co h3 small { display: block; font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: 12px; letter-spacing: .1em; color: var(--steel); margin-top: 4px; }
.co address { font-style: normal; font-size: 13.5px; color: var(--on-dark-2); line-height: 1.9; }
.co a { color: var(--on-dark); text-underline-offset: 3px; }
.reg { font-size: 12px; color: var(--on-dark-2); line-height: 1.9; }
@media (max-width: 760px) { .company-grid { grid-template-columns: 1fr; } }

.site-footer { background: var(--char); color: var(--on-dark-2); border-top: 1px solid var(--line-dark); padding-block: 56px calc(40px + env(safe-area-inset-bottom, 0px)); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: start; }
.footer-grid img { width: 150px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 13px; font-weight: 700; }
.footer-links a { color: var(--on-dark); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.copyright { margin-top: 36px; font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .06em; line-height: 1.8; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- mobile buy bar ---------- */
.buybar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(27, 26, 24, .94); border-top: 1px solid var(--line-dark);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  display: none; align-items: center; gap: 12px;
  transform: translateY(110%); transition: transform .35s var(--ease);
}
.buybar.is-shown { transform: none; }
.buybar .p { font-size: 12px; line-height: 1.35; color: var(--on-dark-2); }
.buybar .p b { display: block; font-family: var(--f-display); font-stretch: 112%; font-size: 18px; color: var(--on-dark); }
.buybar .btn { margin-left: auto; min-height: 46px; }
@media (max-width: 860px) { .buybar { display: flex; } }

/* ---------- reveal on scroll (only elements below the fold at load are hidden) ---------- */
.reveal-pending { opacity: 0; transform: translateY(28px); }
.reveal-in { opacity: 1; transform: none; transition: opacity .9s var(--ease), transform .9s var(--ease); }

/* ---------- FIELD GUIDE page ---------- */
.fg-head { padding-block: clamp(28px, 3.6vw, 48px) clamp(20px, 2.4vw, 32px); position: relative; overflow: hidden; isolation: isolate; }
.fg-head::before { content: ""; position: absolute; inset: 0; z-index: -1; background: url("../img/tex-steel.webp") center / cover; opacity: .1; mix-blend-mode: screen; }
.fg-head .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 24px; }
.fg-title { font-family: var(--f-display); font-stretch: 125%; font-weight: 900; font-size: clamp(40px, 5.6vw, 80px); line-height: .9; text-transform: uppercase; }
.fg-sub { font-size: clamp(16px, 1.6vw, 20px); font-weight: 700; margin-top: 12px; }
.fg-meta { font-size: 13px; color: var(--on-dark-2); margin-top: 10px; }
.fg-head-art { width: clamp(110px, 12vw, 170px); opacity: .9; }
@media (max-width: 640px) { .fg-head .wrap { grid-template-columns: 1fr; } .fg-head-art { display: none; } }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: clamp(20px, 3vw, 36px); }
.gallery:has(> .vcard:only-child) { grid-template-columns: minmax(0, 1fr); max-width: 1040px; }
.vcard { display: grid; gap: 14px; align-content: start; min-width: 0; }
.vplayer { position: relative; aspect-ratio: 16 / 9; max-width: 100%; border-radius: var(--radius); overflow: hidden; background: var(--char-3); }
.vplayer iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vthumb {
  position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; cursor: pointer; background: var(--char-3);
  display: block;
}
.vthumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .4s; }
.vthumb:hover img { transform: scale(1.03); filter: brightness(.9); }
.vthumb .play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 76px; height: 76px; border-radius: 50%; background: var(--ember); color: var(--paper);
  display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .4); transition: transform .3s var(--ease);
}
.vthumb:hover .play { transform: translate(-50%, -50%) scale(1.06); }
.vthumb .play svg { width: 26px; height: 26px; margin-left: 4px; }
.vthumb .dur { position: absolute; right: 10px; bottom: 10px; font-family: var(--f-mono); font-size: 12px; background: rgba(0, 0, 0, .78); color: #fff; padding: 2px 8px; border-radius: 3px; }
.vcard h2 { font-size: clamp(16px, 1.6vw, 20px); font-weight: 700; line-height: 1.6; }
.vcard .vlinks { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; }
.vcard .vlinks a { color: var(--on-dark-2); text-underline-offset: 3px; }
.vcard .idx { font-family: var(--f-mono); font-size: 11px; letter-spacing: .18em; color: var(--steel-lo); }
/* single featured video: full content width, 16:9, no surrounding chrome */
.vfeature { display: grid; gap: 18px; max-width: max(320px, calc((100svh - var(--header-h) - 250px) * 16 / 9)); margin-inline: auto; }
.vframe { position: relative; width: 100%; max-width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 60px rgba(0, 0, 0, .45); }
.vframe iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.vcaption { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; }
.vcaption h2 { font-size: clamp(15px, 1.5vw, 18px); font-weight: 700; line-height: 1.6; min-width: 0; flex: 1 1 28em; }
.vcaption .vlinks { display: flex; gap: 18px; font-size: 13px; }
.vcaption .vlinks a { color: var(--on-dark-2); text-underline-offset: 3px; }
.fg-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line-dark); }
.fg-bar .count { font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; color: var(--on-dark-2); }
.fg-bar .acts { display: flex; flex-wrap: wrap; gap: 10px; }
.fg-cta { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); background: var(--paper); color: var(--ink); }
.fg-cta h2 { font-size: clamp(20px, 2.4vw, 28px); }
.fg-cta p { color: var(--ink-2); font-size: 14px; margin-top: 6px; }
.fg-cta .acts { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 760px) { .fg-cta { grid-template-columns: 1fr; } }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal-pending { opacity: 1; transform: none; }
  .exp-photo img.bg, .steel-band img, .steel-band .marquee { transform: none !important; }
  .steel-band img { margin-left: 0; transform: none; width: 100%; max-width: 100%; }
}
.vdur { display: inline-block; margin-left: 8px; font-family: var(--f-mono); font-size: 12px; font-weight: 500; color: var(--on-dark-2); border: 1px solid var(--line-dark); border-radius: 3px; padding: 0 6px; vertical-align: 2px; font-variant-numeric: tabular-nums; }
:lang(en) .step-art .zoom::after { content: "Zoom"; }