/* =========================================================
   PROFILE page specific（元 profile.html の inline <style> を分離）
   ========================================================= */

/* breadcrumb */
.breadcrumb {
  padding: 1rem var(--pad-x); font-size: 0.8rem; letter-spacing: 0.1em;
  color: var(--ink-3); display: flex; gap: 0.7em; align-items: center;
  position: relative; z-index: 2; max-width: var(--maxw); margin-inline: auto;
}
.breadcrumb a { color: var(--ink-3); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--sage-deep); }
.breadcrumb .sep { opacity: 0.45; }

/* ── HERO (和モダン・光) ── */
.pf-hero {
  position: relative; overflow: hidden;
  background: url("assets/bg-hero.png") center / cover no-repeat;
}
.pf-hero__inner {
  position: relative; z-index: 2; width: 100%;
  max-width: 1080px; margin-inline: auto;
  padding: clamp(3rem, 7vh, 5rem) var(--pad-x) 0;
  display: flex; justify-content: flex-start;
}
.pf-hero__body { padding-bottom: clamp(2.5rem, 6vh, 4rem); }
.pf-hero__en { font-family: var(--la); font-style: italic; font-size: 0.9rem; letter-spacing: 0.32em; color: var(--sage-deep); text-transform: uppercase; }
.pf-hero__name { font-size: clamp(2.3rem, 5.4vw, 4rem); font-weight: 700; letter-spacing: 0.1em; color: var(--sumi-deep); margin: 0.5rem 0 0.5rem; }
.pf-hero__alias { display: flex; align-items: baseline; gap: 0.6em; margin-bottom: 1.1rem; }
.pf-hero__alias .ch { font-size: clamp(1.3rem, 2.6vw, 1.8rem); font-weight: 600; letter-spacing: 0.3em; color: var(--gold); }
.pf-hero__alias .yomi { font-family: var(--la); font-style: italic; font-size: 0.92rem; letter-spacing: 0.06em; color: var(--ink-3); }
.pf-hero__role { font-size: clamp(0.92rem, 1.4vw, 1.02rem); letter-spacing: 0.1em; line-height: 1.9; color: var(--ink-2); margin-bottom: 1.8rem; }
@media (max-width: 780px) {
  .pf-hero__body { padding-bottom: clamp(2rem, 5vh, 3rem); text-align: center; }
  .pf-hero__role { margin-inline: auto; }
}

/* ── BIOGRAPHY (軌跡) vertical timeline ── */
.bio-strip {
  position: relative; z-index: 2;
  height: auto; overflow: hidden;
  display: flex; align-items: center;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: url("assets/bg-biography.png") center / cover no-repeat;
}
.bio-strip::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, var(--paper) 0%, var(--paper) 42%, oklch(0.966 0.009 84 / 0.55) 68%, transparent 100%);
}
.bio-strip__inner { position: relative; z-index: 1; max-width: var(--maxw); margin-inline: auto; padding: clamp(1.2rem, 3vh, 2.2rem) var(--pad-x); width: 100%; }
.bio-strip__head { margin-bottom: clamp(1rem, 2.5vh, 1.8rem); }
.bio-strip__ttl { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 600; color: var(--sumi-deep); font-family: var(--la); font-style: italic; letter-spacing: 0.04em; }
.bio-strip__sub { display: block; font-family: var(--jp); font-style: normal; font-size: 0.82rem; letter-spacing: 0.14em; color: var(--ink-3); margin-top: 0.5em; }
.bio-strip__rule { display: block; width: 2.4rem; height: 1px; background: var(--gold); margin-top: 1.1rem; }

.timeline { position: relative; max-width: 44rem; }
.tl-row {
  position: relative; display: grid; grid-template-columns: 30px 5.2rem 1fr;
  gap: 0 1.4rem; align-items: baseline; padding: 0.65rem 0;
}
.tl-row__dot {
  grid-row: 1; align-self: center; justify-self: center;
  position: relative; width: 30px; height: 30px; display: grid; place-items: center;
}
.tl-row__dot::before {
  content: ""; position: absolute; inset: 0; margin: auto; width: 8px; height: 8px;
  border-radius: 50%; border: 1.5px solid var(--gold); background: var(--paper); z-index: 1;
}
.tl-row__dot::after {
  content: ""; position: absolute; top: 30px; bottom: -0.65rem; left: 50%;
  width: 1px; transform: translateX(-50%); background: var(--line-2);
}
.tl-row:last-child .tl-row__dot::after { display: none; }
.tl-row__yr { font-family: var(--la); font-style: italic; font-weight: 500; font-size: clamp(0.98rem, 1.5vw, 1.14rem); color: var(--sumi-deep); white-space: nowrap; }
.tl-row__txt { font-size: clamp(0.9rem, 1.3vw, 0.98rem); letter-spacing: 0.03em; color: var(--ink-2); line-height: 1.7; }
.tl-row a.tl-row__link { position: absolute; inset: 0; z-index: 2; }
.tl-row:hover .tl-row__dot::before { background: var(--gold); }
.tl-row:hover .tl-row__txt { color: var(--sage-deep); }
@media (max-width: 560px) {
  .tl-row { grid-template-columns: 22px 3.6rem 1fr; gap: 0 0.9rem; }
  .tl-row__dot { width: 22px; }
  .tl-row__dot::after { top: 22px; }
}

/* ── CHAPTER shell ── */
.chapter { position: relative; overflow: hidden; background: var(--paper); }
.chapter--alt { background: var(--paper-2); }
.chapter--warm { background: var(--paper-warm); }
.chapter--photo { }
.chapter__bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-size: cover; background-position: center;
}
.chapter__bg--flip { transform: scaleX(-1); }
.chapter__fade {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, var(--fade-c, var(--paper)) 0%, var(--fade-c, var(--paper)) 46%, oklch(0.966 0.009 84 / 0.4) 58%, transparent 78%);
}
.chapter__inner { position: relative; z-index: 2; }
.chapter__num {
  font-family: var(--la); font-style: italic; font-size: 0.85rem; letter-spacing: 0.3em;
  color: var(--sage-deep);
}
.chapter__inner { max-width: var(--maxw); margin-inline: auto; padding: 0 var(--pad-x); }
.chapter__grid {
  display: grid; grid-template-columns: 0.86fr 1.14fr; gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center; margin-top: clamp(1.6rem, 3.5vh, 2.6rem);
}
.chapter__grid.rev { grid-template-columns: 1.14fr 0.86fr; }
.chapter__grid.rev .chapter__media { order: 2; }
.chapter__media { position: relative; }
.chapter__media image-slot, .chapter__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 4px; }
/* トリミングせず全体表示する写真（横長など）は自然な比率で */
.chapter__media img.chapter__photo { height: auto; aspect-ratio: auto; object-fit: contain; }
/* Visual Portfolio スライダー：グリッドのはみ出し（blowout）でテキスト列が潰れるのを防ぐ */
.chapter__media--vp { min-width: 0; }
.chapter__media--vp .vp-portfolio { width: 100%; overflow: hidden; }
/* 画像の出典表記（CC BY 等） */
.chapter__credit {
  margin-top: 0.6rem;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.chapter__credit a { color: var(--ink-3); text-decoration: underline; text-underline-offset: 2px; }
.chapter__credit a:hover { color: var(--sage-deep); }
.chapter__text p { color: var(--ink-2); line-height: 2.25; font-size: clamp(0.95rem, 1.4vw, 1.05rem); letter-spacing: 0.04em; margin-bottom: 1.3em; }
.chapter__text p:last-child { margin-bottom: 0; }
.chapter__text strong { color: var(--sumi-deep); font-weight: 600; }
.chapter__year-tag {
  display: inline-flex; align-items: center; gap: 0.6em; margin-bottom: 0.9em;
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.08em; color: var(--clay);
}
.chapter__solo { max-width: 34rem; margin-top: clamp(1.6rem, 3.5vh, 2.6rem); }
@media (max-width: 820px) {
  .chapter__grid, .chapter__grid.rev { grid-template-columns: 1fr; }
  .chapter__media { max-width: 340px; margin-inline: auto; }
  .chapter__grid.rev .chapter__media { order: 0; }
}

.chapter__year-tag::before { content: ""; width: 1.4rem; height: 1px; background: var(--clay); }

/* books note */
.books-note {
  margin-top: 2rem; padding: 1.6rem 1.8rem; border-radius: 6px;
  background: var(--paper); border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: flex-start; gap: 1rem;
}
.books-note__label { font-family: var(--la); font-style: italic; font-size: 0.82rem; letter-spacing: 0.12em; color: var(--sage-deep); }
.books-note ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5em; }
.books-note li { font-size: 0.94rem; color: var(--ink-2); letter-spacing: 0.04em; }
.books-note p { font-size: 0.94rem; color: var(--ink-2); letter-spacing: 0.04em; margin: 0; }
.books-note .tlink { flex-shrink: 0; }
.books-note--link {
  display: inline-flex; width: fit-content; justify-content: flex-start;
  font-size: 0.94rem; color: var(--ink-2); letter-spacing: 0.04em;
  transition: border-color 0.35s, color 0.35s;
}
.books-note--link .arw { transition: transform 0.45s var(--ease); }
.books-note--link:hover { border-color: var(--sage); color: var(--sage-deep); }
.books-note--link:hover .arw { transform: translateX(0.35em); }

/* current activities */
.now-list { margin-top: clamp(1.6rem, 3.5vh, 2.4rem); display: flex; flex-direction: column; align-items: center; gap: 0.7rem; }
.now-list__item { display: flex; align-items: baseline; gap: 0.6rem; }
.now-list__bullet { flex: 0 0 auto; width: 1.2rem; text-align: center; color: var(--sage-deep); }
.now-list__name { flex: 0 0 auto; width: 15rem; font-size: 1rem; font-weight: 600; letter-spacing: 0.05em; color: var(--sumi-deep); }
.now-list__desc { flex: 0 0 auto; width: 12rem; font-size: 0.85rem; color: var(--ink-3); }
.now-foot { display: flex; justify-content: flex-end; margin-top: clamp(1.6rem, 3vh, 2.2rem); }
@media (max-width: 560px) {
  /* 著書の四角を左右に少し広げる（約2文字分） */
  .books-note { margin-inline: -0.9rem; }
  /* 現在の事業：ブロックを中央寄せしつつ箇条書きの頭を左揃え */
  .now-list { align-items: flex-start; width: fit-content; margin-inline: auto; }
  .now-list__item {
    display: grid;
    grid-template-columns: 1.2rem auto;
    column-gap: 0.6rem;
    row-gap: 0.15rem;
  }
  .now-list__bullet { width: auto; }
  .now-list__name { width: auto; }
  /* 説明は名称の下（改行）にインデントして配置 */
  .now-list__desc { grid-column: 2; width: auto; }
  /* 事業概要を見るボタンを中央に */
  .now-foot { justify-content: center; }
}

/* ── stacked-scroll: 軌跡 が Hero を覆う ── */
.pf-hero { position: sticky; top: 0; z-index: 1; }