/* Soroban → Anzan: both chapters stay in the reading flow, with or without JS. */
.method-journey {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.method-stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(24px, 2.8vw, 42px);
  background: var(--white);
  scroll-margin-top: 14px;
}
.method-stage-mind { background: var(--brand-black); color: var(--white); }
.method-stage-header { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; }
.method-stage-number {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-red);
}
.method-stage-mind .method-stage-number { border-color: var(--brand-red); background: var(--brand-red); color: #fff; }
.method-stage-header p { font-size: 15px; line-height: 1.4; color: #625b57; }
.method-stage-mind .method-stage-header p { color: #cdc7c4; }
.method-stage-header h3 { margin: 6px 0 0; font-size: clamp(40px, 4.5vw, 68px); line-height: 1; letter-spacing: -.045em; }
.method-stage-visual {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1.4;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 18px;
  overflow: hidden;
  isolation: isolate;
}
.method-stage-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 57% center; }
.method-stage-photo::after {
  content: '';
  position: absolute;
  inset: 45% 0 0;
  background: linear-gradient(transparent, #050000bd);
  pointer-events: none;
}
.method-stage-photo figcaption {
  position: absolute;
  z-index: 1;
  bottom: 23px;
  left: 24px;
  right: 20px;
  color: #fff;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -.02em;
}
.method-stage-video { background: #211c1d; color: #fff; text-align: left; }
.method-mind-footage { position: absolute; inset: 0 0 0 43%; }
.method-mind-footage img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
body.concept .method-stage .method-stage-visual img { border-radius: 0; }
.method-mind-drawing { position: absolute; inset: 0 57% 0 0; display: flex; flex-direction: column; align-items: center; justify-content: start; padding: 16px 8px 75px; }
.method-mind-drawing > svg { width: min(100%, 150px); height: auto; min-height: 0; flex: 1; stroke: #ffffff90; stroke-width: 1.4; }
.method-drawn-bead { fill: #ffffff0a; }
.method-mind-drawing > span { font-size: clamp(17px, 1.5vw, 22px); font-family: var(--serif); line-height: 1.25; text-align: center; margin-top: 6px; }
.method-stage-video::after { content: ''; position: absolute; inset: 55% 0 0; background: linear-gradient(transparent, #050000f0); pointer-events: none; }
.method-stage-play { position: absolute; z-index: 1; bottom: 20px; left: 22px; right: 16px; display: flex; align-items: center; gap: 13px; font-size: 18px; font-weight: 700; line-height: 1.25; }
.method-stage-play small { display: block; font-size: 13px; font-weight: 500; margin-top: 6px; line-height: 1.4; }
.method-stage-play .story-play { width: 48px; height: 48px; background: var(--brand-red); border-color: var(--brand-red); transition: transform .2s; }
.method-stage-video:focus-visible { outline: 3px solid #fff; outline-offset: 5px; }
.method-stage-copy { padding-top: 29px; }
.method-stage-copy h4 { margin: 0 0 13px; font-size: clamp(23px, 2.1vw, 29px); line-height: 1.25; letter-spacing: -.025em; font-weight: 900; }
.method-stage-copy > p { font-size: 18px; line-height: 1.65; color: #625b57; }
.method-stage-mind .method-stage-copy > p { color: #ded9d4; }
.method-stage-note { display: flex; align-items: center; gap: 22px; border-top: 1px solid var(--line); padding-top: 22px; margin-top: auto; }
.method-stage-copy { padding-bottom: 30px; }
.method-stage-mind .method-stage-note { border-color: #ffffff30; }
.method-stage-note > p { font-size: 15px; line-height: 1.5; }
.method-operation-signs { font-size: 31px; letter-spacing: .035em; color: var(--brand-red); white-space: nowrap; }
.method-mental-mark { display: grid; place-items: center; width: 52px; height: 42px; flex-shrink: 0; }
.method-mental-mark svg { width: 36px; height: 36px; color: var(--brand-red); }
.method-stage-connection { position: absolute; z-index: 2; left: 50%; top: 265px; transform: translateX(-50%); display: grid; place-items: center; width: 62px; height: 62px; border: 7px solid var(--paper); border-radius: 50%; background: var(--brand-red); color: #fff; pointer-events: none; }
.method-stage-connection svg { width: 27px; height: 27px; }
@media (hover: hover) {
  .method-stage-video:hover .story-play { transform: scale(1.1); }
  .method-stage-video:hover .method-stage-play > span:last-child { text-decoration: underline; text-underline-offset: 5px; }
}
@media (min-width: 761px) and (max-width: 1050px) {
  .method-stage { padding: 24px; }
  .method-stage-visual { aspect-ratio: 1.05; }
  .method-stage-header { gap: 14px; }
  .method-stage-header p { font-size: 14px; }
  .method-stage-note { gap: 14px; flex-wrap: wrap; }
  .method-stage-play { left: 15px; gap: 10px; font-size: 16px; }
  .method-stage-play small { max-width: 165px; }
  .method-mind-drawing { padding-inline: 5px; }
}
@media (max-width: 760px) {
  .method-story .method-story-heading h2 { font-size: clamp(34px, 6.7vw, 48px); }
  .method-journey { grid-template-columns: 1fr; gap: 30px; margin-top: 30px; }
  .method-stage { position: relative; padding: 26px 22px; scroll-margin-top: 10px; }
  .method-stage-header { gap: 16px; margin-bottom: 24px; }
  .method-stage-header h3 { font-size: 48px; }
  .method-stage-header p { font-size: 14px; }
  .method-stage-number { width: 41px; height: 41px; font-size: 14px; }
  .method-stage-visual { aspect-ratio: 1.16; }
  .method-stage-photo figcaption { left: 18px; bottom: 20px; font-size: 22px; }
  .method-stage-connection { display: none; }
  .method-stage-mind::before { content: ''; position: absolute; left: 42px; top: -30px; height: 30px; border-left: 2px solid var(--brand-red); }
  .method-stage-copy { padding-block: 25px; }
  .method-stage-copy h4 { font-size: 25px; }
  .method-stage-copy > p { font-size: 17px; line-height: 1.65; }
  .method-stage-note { gap: 17px; padding-top: 20px; }
  .method-operation-signs { font-size: 28px; }
  .method-stage-note > p { font-size: 14px; }
  .method-stage-play { left: 15px; bottom: 18px; font-size: 17px; gap: 10px; }
  .method-stage-play small { font-size: 13px; }
  .method-mind-drawing { padding-top: 13px; }
  .method-mind-drawing > span { font-size: 22px; }
}
@media (max-width: 360px) {
  .method-stage { padding: 23px 18px; }
  .method-stage-header { gap: 12px; }
  .method-stage-header h3 { font-size: 43px; }
  .method-stage-header p { font-size: 13px; }
  .method-stage-visual { aspect-ratio: 1; }
  .method-stage-play { font-size: 15px; left: 12px; }
  .method-stage-play small { max-width: 150px; }
  .method-stage-play .story-play { width: 40px; height: 40px; }
  .method-stage-note { flex-wrap: wrap; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .method-stage-play .story-play { transition: none; }
}