/* ============================================================
   B案「やわらかな導線」 — asymmetric, beige rhythm, card-led
   ============================================================ */

/* header (shared chrome) -------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s, box-shadow .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-header[data-scrolled] {
  background: rgba(251,249,245,0.88);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 0.6em; font-family: var(--serif); font-weight: 700; font-size: 1.18rem; letter-spacing: 0.16em; }
.brand svg { width: 22px; height: auto; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.nav a[data-navlink] {
  font-family: var(--latin); font-size: 0.96rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft); padding: 0.4em 0; position: relative; transition: color .3s;
}
.nav a[data-navlink]::after { content:""; position:absolute; left:0; bottom:-2px; height:1px; width:0; background:var(--navy); transition:width .35s; }
.nav a[data-navlink]:hover, .nav a[data-navlink][data-active] { color: var(--navy); }
.nav a[data-navlink][data-active]::after, .nav a[data-navlink]:hover::after { width:100%; }
.nav .btn { min-height: 44px; padding: 0 1.5em; font-size: 0.9rem; }
.nav-toggle { display: none; }

/* section header (left-aligned, asymmetric) ------------------- */
.sec-head { max-width: 48em; margin-bottom: clamp(40px, 5vw, 64px); }
.sec-head .eyebrow { margin-bottom: 18px; }
.sec-head h2 { margin-bottom: 18px; }

/* hero -------------------------------------------------------- */
.hero { background: var(--beige); padding-top: clamp(120px, 15vw, 178px); padding-bottom: var(--section-y); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 5vw, 76px); align-items: center; }
.hero .eyebrow { margin-bottom: 26px; }
.hero h1 { margin-bottom: 30px; }
.hero h1 .soft { color: var(--navy); }
.hero__sub { max-width: 30em; margin-bottom: 38px; font-family: var(--serif); font-size: clamp(0.92rem, 1.35vw, 1rem); line-height: 2; letter-spacing: 0.04em; color: var(--ink-soft); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__art {
  position: relative; aspect-ratio: 1145 / 1374;
}
.hero__art img {
  width: 100%; height: 100%; object-fit: contain; display: block;
}

/* works ------------------------------------------------------- */
#works { background: var(--beige); }
/* category tabs (E) */
.works-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(26px, 3.4vw, 44px); }
.works-tab {
  font-family: var(--sans); font-size: 0.86rem; letter-spacing: 0.06em; color: var(--ink-soft);
  background: transparent; border: 1px solid var(--line); border-radius: 999px;
  padding: 0.62em 1.4em; cursor: pointer; transition: background .3s, color .3s, border-color .3s; white-space: nowrap;
}
.works-tab:hover { border-color: var(--navy); color: var(--navy); }
.works-tab[aria-selected="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.works-tab:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

/* thumbnail cards linking out to each work */
.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 2.4vw, 36px); }
.work-card { display: flex; flex-direction: column; gap: 14px; text-decoration: none; color: inherit; transition: transform .4s cubic-bezier(.2,.7,.3,1); }
.work-card.is-hidden { display: none; }
.work-card__img { position: relative; aspect-ratio: 16 / 9; border-radius: 10px; border: 1px solid var(--line); overflow: hidden; transition: box-shadow .4s, border-color .4s; background: #faf6f0; }
.work-card__img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.work-card:hover .work-card__img img { transform: scale(1.04); }
.work-card__desc { font-family: var(--serif); font-size: 0.86rem; line-height: 1.7; color: var(--ink); opacity: 0.78; margin: 2px 0 0; }
.work-card:hover { transform: translateY(-4px); }
.work-card:hover .work-card__img { box-shadow: 0 24px 46px -28px rgba(33,31,27,0.42); border-color: transparent; }
.work-card:focus-visible { outline: none; }
.work-card:focus-visible .work-card__img { outline: 2px solid var(--navy); outline-offset: 3px; }
.work-card__cap { display: flex; flex-direction: column; gap: 6px; }
.work-card__tag { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--navy); text-transform: uppercase; }
.work-card h3 { font-family: var(--serif); font-weight: 600; font-size: clamp(1rem, 1.2vw, 1.18rem); letter-spacing: 0.04em; line-height: 1.5; color: var(--ink); }
.work-card__arrow { font-family: var(--latin); color: var(--navy-soft); font-style: italic; margin-left: 0.35em; display: inline-block; transition: transform .3s; }
.work-card:hover .work-card__arrow { transform: translateX(4px); color: var(--navy); }

/* profile ----------------------------------------------------- */
#profile { background: var(--beige); }
.profile__single { max-width: none; }
.profile__cols { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: clamp(36px, 5vw, 64px); align-items: start; }
.profile__head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px 18px; margin-bottom: clamp(20px, 2.6vw, 28px); }
.profile__name { font-family: var(--serif); font-weight: 700; font-size: 1.7rem; letter-spacing: 0.12em; }
.profile__role { font-family: var(--latin); font-style: italic; color: var(--navy-soft); letter-spacing: 0.04em; }
.profile__text { font-size: 0.98rem; color: var(--ink-soft); line-height: 2.05; margin-bottom: clamp(32px, 4vw, 46px); }
.prof-block__label { font-family: var(--latin); font-size: 0.95rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy); margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.career { display: grid; gap: 0; }
.career__row { display: grid; grid-template-columns: 5em 1fr; gap: clamp(16px, 2.2vw, 32px); padding: clamp(15px, 1.8vw, 20px) 0; border-bottom: 1px solid var(--line); }
.career__row:first-child { padding-top: 0; }
.career__row:last-child { border-bottom: 0; padding-bottom: 0; }
.career__row dt { font-family: var(--latin); font-size: 1.15rem; color: var(--navy); letter-spacing: 0.04em; line-height: 1.4; }
.career__row dd { display: flex; flex-direction: column; gap: 4px; }
.career__title { font-family: var(--serif); font-weight: 600; font-size: 1rem; letter-spacing: 0.04em; color: var(--ink); line-height: 1.6; }
.career__desc { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.8; }
.skills__list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.skills__list li { font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.04em; color: var(--ink-soft); background: var(--bg-card); border: 1px solid var(--line); border-radius: 999px; padding: 0.55em 1.2em; white-space: nowrap; }
/* compact SNS next to the name */
.sns-inline { list-style: none; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; margin-left: auto; }
.sns-inline li { display: inline-flex; align-items: baseline; gap: 14px; }
.sns-inline li:not(:last-child)::after { content: "/"; color: var(--ink-faint); font-size: 0.78rem; }
.sns-inline a {
  font-family: var(--sans); font-size: 0.82rem; letter-spacing: 0.06em; color: var(--ink-faint);
  position: relative; transition: color .3s;
}
.sns-inline a::after { content: ""; position: absolute; left: 0; bottom: -3px; height: 1px; width: 0; background: var(--navy); transition: width .3s; }
.sns-inline a:hover { color: var(--navy); }
.sns-inline a:hover::after { width: 100%; }
.sns-inline a:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }

/* contact ----------------------------------------------------- */
#contact { background: var(--navy); color: #fff; }
.contact__grid { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 4vw, 40px); justify-items: center; text-align: center; max-width: 680px; margin-inline: auto; }
#contact .eyebrow { color: #c4cde0; margin-bottom: 20px; }
.contact h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(1.55rem, 3.4vw, 2.3rem); letter-spacing: 0.05em; line-height: 1.55; margin-bottom: 22px; }
.contact__text { color: rgba(255,255,255,0.82); font-size: 1rem; line-height: 2; margin-bottom: 0; max-width: 32em; }
.contact__notice { margin-top: 28px; color: rgba(255,255,255,0.6); border-top: 1px solid rgba(255,255,255,0.16); padding-top: 22px; max-width: 40em; }
.contact__action { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.contact__action .cat-mark { width: 64px; color: #c4cde0; align-self: center; margin-bottom: 6px; }
#contact .btn-primary { background: #fff; color: var(--navy); box-shadow: 0 14px 40px -18px rgba(0,0,0,0.5); }
#contact .btn-primary:hover { background: #f1eee7; }

/* gated sections — hidden until opened via header nav, shown one screen at a time */
.gated { display: none; }
.view.is-open { display: flex; align-items: center; min-height: 100vh; min-height: 100dvh; }
/* About / Works / Profile: pin the section label + title to the top */
#works.view.is-open,
#profile.view.is-open { align-items: flex-start; }
.view > .wrap { width: 100%; }
.section.view { padding-block: clamp(98px, 13vh, 140px) clamp(40px, 6vh, 64px); }
.hero.view { padding-block: clamp(98px, 13vh, 140px) clamp(40px, 6vh, 64px); }

/* page background matches the views so no white ever shows in a gap */
html, body { background: var(--beige); }
body { overflow-x: hidden; }
body[data-bg="dark"] { background: var(--navy); }

/* fade between views */
@media (prefers-reduced-motion: no-preference) {
  .view.is-open { animation: viewIn 1.15s cubic-bezier(.22,.61,.36,1) both; }
}
@keyframes viewIn {
  from { opacity: 0; filter: blur(8px); }
  to   { opacity: 1; filter: blur(0); }
}

/* header over dark (Contact) view — keep logo & nav legible */
.site-header[data-on-dark] .brand { color: #fbf9f5; }
.site-header[data-on-dark] .nav a[data-navlink] { color: rgba(255,255,255,0.82); }
.site-header[data-on-dark] .nav a[data-navlink]:hover,
.site-header[data-on-dark] .nav a[data-navlink][data-active] { color: #fff; }
.site-header[data-on-dark] .nav a[data-navlink]::after { background: #fff; }
.site-header[data-on-dark] .nav-toggle span { background: #fff; }
.site-header[data-on-dark][data-scrolled] { background: rgba(43,56,80,0.86); border-bottom-color: rgba(255,255,255,0.12); }

/* responsive -------------------------------------------------- */
@media (max-width: 699px) {
  /* hero: illustration becomes a full background, copy overlaid on top */
  .hero { position: relative; }
  .hero.view.is-open { align-items: flex-start; }
  .hero__grid { display: block; }
  .hero__art { position: absolute; inset: 0; z-index: 0; margin: 0; max-width: none; aspect-ratio: auto; }
  .hero__art img { width: 100%; height: 100%; object-fit: contain; object-position: bottom right; }
  .hero__art::after { content: ""; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(178deg, var(--beige) 8%, rgba(242,235,221,0.6) 34%, rgba(242,235,221,0) 60%); }
  .hero__copy { position: relative; z-index: 2; max-width: 22em; }
  .works-grid { grid-template-columns: 1fr; }
  .profile__single { max-width: none; }
  .profile__cols { grid-template-columns: 1fr; gap: clamp(42px, 7vw, 56px); }
}
/* 中間サイズも 2カラム（デフォルトを継承） */
@media (max-width: 699px) {
  .nav { position: fixed; inset: 78px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #f6f2ea; backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px; transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; }
  .nav[data-open] { opacity: 1; transform: none; pointer-events: auto; }
  /* keep drawer legible even when Contact (dark) view is open: light panel + dark text */
  .site-header[data-on-dark] .nav[data-open] a[data-navlink] { color: var(--ink-soft); }
  .site-header[data-on-dark] .nav[data-open] a[data-navlink][data-active] { color: var(--navy); }
  .site-header[data-on-dark] .nav[data-open] a[data-navlink]::after { background: var(--navy); }
  .nav a[data-navlink] { padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
  .nav a[data-navlink]::after { display: none; }
  .nav .btn { margin-top: 14px; }
  .nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; background: none; border: 0; cursor: pointer; }
  .nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 999px; transform-origin: center; transition: transform .35s cubic-bezier(.2,.7,.3,1), opacity .2s; }
  /* drawer open: middle bar hides, 1st & 3rd cross at the center into a clean ✗ */
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 560px) {
  .works-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .footer__top { flex-direction: column; }
}