/* となり工房
   会社の骨組み（メニュー・製品・工房について・つくり方・お知らせ・概要・問い合わせ）に、
   暮らしの写真と翡翠の光を入れる。1画面目は名刺の表面と同じく、左に屋号、右に「となり」。
   色: 墨 #1c1d1f、灰 #6f6b66、紙 #fcfcfa。有彩色は光だけ。 */

:root {
  --paper: #fcfcfa;
  --ink: #1c1d1f;
  --sub: #6f6b66;
  --rule: #e2dfda;
  --mist: #ecebe7;
  --jade: 96, 186, 146;
  --jade-soft: 192, 231, 204;
  --side: clamp(20px, 5vw, 72px);
  --head: 88px;
  --max: 85rem;            /* 1360px（文字の大きさに合わせて広がる） */
  --ja: "Noto Sans JP", "Yu Gothic", "Hiragino Sans", sans-serif;
  --lat: "Segoe UI Variable Text", "Segoe UI", "Inter", system-ui, sans-serif;
  --lat-display: "Segoe UI Variable Display", "Segoe UI", "Inter", system-ui, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* 文字の基準。広い画面ほど少しだけ大きくする：幅1440pxで約16.3px、1920pxで約17px、2560px以上で18.5px。スマホは16px */
html { font-size: clamp(16px, .16vw + 14px, 18.5px); }
html { background: var(--paper); -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--head); }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--ja);
  font-weight: 400;
  font-size: 1.1875rem;
  line-height: 1.95;
  letter-spacing: .05em;
  font-kerning: normal;
  font-feature-settings: "palt";
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  word-break: auto-phrase;   /* 和文を文節で折り返す（対応ブラウザのみ） */
  text-wrap: pretty;
}

img { display: block; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.nb { display: inline-block; }
.lat { font-family: var(--lat); font-feature-settings: normal; }
.lat-display { font-family: var(--lat-display); font-feature-settings: normal; }

a { color: inherit; text-decoration: none; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; padding: .4em 1em; background: var(--ink); color: var(--paper); }
.skip:focus { left: 8px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--side); }

/* ------------------------------------------------------------ 見出し（サイトの上端） */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--head);
  background: rgba(252, 252, 250, .94);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid transparent;
  transition: border-color .4s;
}
.site-head.scrolled { border-color: var(--rule); }
.head-in {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(var(--side), calc((100% - var(--max)) / 2 + var(--side)));
}
.logo {
  display: flex;
  align-items: center;
  gap: .7em;
  font-size: 1.625rem;
  font-weight: 300;
  letter-spacing: .18em;
}
/* 名刺の光を小さな印に。ゆっくり息をする */
.logo-light {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(var(--jade), .95), rgba(var(--jade), .45) 55%, rgba(var(--jade-soft), 0));
  animation: breathe 4.6s ease-in-out infinite alternate;
}
.nav { display: flex; gap: 2em; font-size: 1.1875rem; letter-spacing: .1em; }
.nav a { position: relative; padding: .4em 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .1em; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }
.menu-btn { display: none; font-size: 1rem; letter-spacing: .2em; padding: .6em 0 .6em 1em; }

/* ------------------------------------------------------------ 写真
   写真は .frame で「枠を覆う大きさ」に置く（object-fit: cover と同じ切り抜き）。
   こうすると写真の中の光の位置を、写真に対する%で指定でき、枠の形が変わっても光に重なる。 */

.photo {
  position: relative;
  overflow: hidden;
  container-type: size;
  background: var(--mist);
}
.frame {
  --ar-: var(--ar, 1.5);
  position: absolute;
  left: var(--f, 50%);
  top: var(--g, 50%);
  width: max(100cqw, 100cqh * var(--ar-));
  height: max(100cqh, 100cqw / var(--ar-));
  transform: translate(calc(-1 * var(--f, 50%)), calc(-1 * var(--g, 50%)));
}
.zoom { position: absolute; inset: 0; transform-origin: var(--x) var(--y); }
.zoom img { width: 100%; height: 100%; object-fit: cover; }

/* 写真の中の光が息をする。明るい所では目立たず、陰でだけ分かる強さ */
.spot {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 26%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side,
    rgba(140,222,178,calc(.62 * var(--sa, 1))) 0%, rgba(140,222,178,calc(.40 * var(--sa, 1))) 22%,
    rgba(150,224,186,calc(.18 * var(--sa, 1))) 50%, rgba(160,228,192,calc(.06 * var(--sa, 1))) 75%,
    rgba(160,228,192,0) 100%);
  mix-blend-mode: screen;
  animation: pulse 7.4s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes pulse {
  0%   { opacity: .12; transform: translate(-50%, -50%) scale(.92); }
  60%  { opacity: .62; }
  100% { opacity: .78; transform: translate(-50%, -50%) scale(1.06); }
}
@keyframes breathe { from { opacity: .55; } to { opacity: 1; } }

/* ------------------------------------------------------------ 1画面目 */

.hero {
  display: grid;
  grid-template-columns: 5fr 7fr;
  column-gap: clamp(32px, 4vw, 64px);
  height: clamp(580px, calc(100svh - var(--head)), 920px);
  padding-top: clamp(8px, 2vh, 24px);
}
.hero-text {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 14svh;
}
.brand h1 { display: flex; flex-direction: column; align-items: flex-start; font-weight: inherit; }
.brand-ja {
  font-size: clamp(2.875rem, 5.2vw, 4.875rem);
  font-weight: 300;
  letter-spacing: .16em;
  line-height: 1;
  margin-left: -.06em;
  white-space: nowrap;
}
.brand-en {
  font-size: clamp(1.75rem, 2.8vw, 2.75rem);
  font-weight: 300;
  letter-spacing: .01em;
  line-height: 1;
  margin-top: .65em;
}
.cat { margin-top: 1.4em; font-size: 1rem; letter-spacing: .09em; line-height: 1; color: var(--sub); }
.cat i { display: inline-block; width: 1.1em; }
.copy {
  margin-top: 2em;
  font-size: clamp(1.5rem, 2.2vw, 2.125rem);
  letter-spacing: .14em;
  line-height: 1.85;
}

/* いまの場面：時刻、ひとこと、5本の線 */
.day-now {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6svh;
}
.day-time, .day-line { transition: opacity .45s; }
.day-now.swap .day-time, .day-now.swap .day-line { opacity: 0; }
.day-time { font-size: 0.9375rem; letter-spacing: .24em; color: var(--sub); font-variant-numeric: tabular-nums; line-height: 1.6; }
.day-line { font-size: 1.1875rem; letter-spacing: .1em; line-height: 1.8; min-height: 1.8em; }
.day-bars { display: flex; gap: 6px; margin-top: 1em; }
.day-bars button { position: relative; width: 40px; height: 22px; }
.day-bars button::before, .day-bars button::after {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; margin-top: -1px;
}
.day-bars button::before { background: var(--rule); }
.day-bars button::after { background: var(--ink); transform: scaleX(0); transform-origin: left; }
.day-bars button.done::after { transform: scaleX(1); }
.day-bars button.on::after { animation: fill var(--hold, 6500ms) linear forwards; }
@keyframes fill { to { transform: scaleX(1); } }

.hero-photos { position: relative; overflow: hidden; background: var(--mist); }
.slide {
  --x: var(--wx); --y: var(--wy); --f: var(--wf, 50%); --g: var(--wg, 50%);
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.6s ease;
}
.slide.on { opacity: 1; z-index: 1; }
/* 映っているあいだ、光のほうへゆっくり寄る。消えたあとで元に戻す */
.slide .zoom { transition: transform 0s 1.7s; }
.slide.on .zoom { transform: scale(1.06); transition: transform 9s cubic-bezier(.2, .6, .3, 1); }

/* ------------------------------------------------------------ 段 */

.sec { padding-top: clamp(96px, 15vh, 168px); }
.sec-head { margin-bottom: clamp(32px, 4.5vh, 56px); }
.kicker { font-size: 0.9375rem; letter-spacing: .22em; color: var(--sub); line-height: 1.6; }
.sec-head h2 {
  margin-top: .35em;
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 300;
  letter-spacing: .14em;
  line-height: 1.4;
}

.js .sec { opacity: 0; transform: translateY(20px); transition: opacity 1.4s var(--ease), transform 1.4s var(--ease); }
.js .sec.in { opacity: 1; transform: none; }

/* 製品 */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 64px); }
.card .photo { aspect-ratio: 4 / 3; }
.card .zoom { transition: transform 1.6s var(--ease); }
.card:hover .zoom { transform: scale(1.035); }
.card-body { margin-top: 1.5em; }
.card h3 { font-size: clamp(1.5rem, 2vw, 1.8125rem); font-weight: 400; letter-spacing: .12em; line-height: 1.6; }
.status {
  display: inline-block;
  margin-left: .8em;
  padding: .05em .9em;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 0.875rem;
  letter-spacing: .14em;
  color: var(--sub);
  vertical-align: .2em;
}
.card p { margin-top: .6em; max-width: 28em; }
.aside { margin-top: 2.4em; font-size: 1.0625rem; color: var(--sub); letter-spacing: .1em; }

/* 工房について */
.split { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.split-photo { aspect-ratio: 4 / 5; }
.split-text > p { margin-top: 1.3em; max-width: 28em; }
.lead {
  font-size: clamp(1.625rem, 2.6vw, 2.375rem);
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1.75;
}
.split-text > .lead { margin-top: 0; margin-bottom: .4em; }

/* つくり方 */
.plate { aspect-ratio: 21 / 9; }
.making-body {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 1.2em clamp(32px, 6vw, 96px);
  margin-top: clamp(36px, 5vh, 64px);
  align-items: start;
}
.lead-s { font-size: clamp(1.5rem, 2.3vw, 2.125rem); font-weight: 300; letter-spacing: .1em; line-height: 1.75; }
.making-note { padding-top: .5em; max-width: 30em; }

/* お知らせ */
.news { border-bottom: 1px solid var(--rule); }
.news li { display: grid; grid-template-columns: 8em 1fr; gap: 1em; padding: 1.15em 0; border-top: 1px solid var(--rule); align-items: baseline; }
.news time { font-size: 1rem; letter-spacing: .08em; color: var(--sub); font-variant-numeric: tabular-nums; }

/* 工房概要とお問い合わせ */
.contact {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(96px, 16vh, 180px);
}
.contact-in { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); }
.profile { display: grid; grid-template-columns: 6.5em 1fr; border-bottom: 1px solid var(--rule); }
.profile dt, .profile dd { padding: 1em 0; border-top: 1px solid var(--rule); }
.profile dt { font-size: 1.0625rem; color: var(--sub); letter-spacing: .1em; }
.profile dd { font-size: 1.1875rem; }
.contact-in p + .cta { margin-top: 1.6em; }
.contact-in .cta + .mail { margin-top: 1em; }
/* 続報の申し込み：件名入りのメールを開く */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .8em;
  padding: .75em 1.9em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  letter-spacing: .12em;
  transition: background-color .4s, color .4s;
}
.btn::before {
  content: ""; width: 10px; height: 10px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(var(--jade), .95), rgba(var(--jade), .35) 60%, rgba(var(--jade-soft), 0));
}
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--paper); }
.mail { font-size: clamp(1.25rem, 1.8vw, 1.625rem); letter-spacing: .02em; }
.mail a { border-bottom: 1px solid var(--rule); transition: border-color .4s; }
.mail a:hover, .mail a:focus-visible { border-color: var(--ink); }

/* 名刺A案の光：build.py の soft() と同じ色停止。輪郭線を持たない */
.glow { position: absolute; inset: 0; pointer-events: none; }
.glow i { position: absolute; inset: 0; }
.glow-core {
  background: radial-gradient(34vw 30vh at 100% 60%,
    rgba(96,186,146,.460) 0%, rgba(96,186,146,.432) 8%, rgba(96,186,146,.380) 17%,
    rgba(96,186,146,.312) 25%, rgba(96,186,146,.239) 33%, rgba(96,186,146,.171) 42%,
    rgba(96,186,146,.114) 50%, rgba(96,186,146,.071) 58%, rgba(96,186,146,.041) 67%,
    rgba(96,186,146,.021) 75%, rgba(96,186,146,.010) 83%, rgba(96,186,146,.004) 92%,
    rgba(96,186,146,0) 100%);
  animation: breathe 7.3s ease-in-out infinite alternate;
}
.glow-halo {
  background: radial-gradient(50vw 44vh at 100% 60%,
    rgba(192,231,204,.400) 0%, rgba(192,231,204,.376) 8%, rgba(192,231,204,.330) 17%,
    rgba(192,231,204,.271) 25%, rgba(192,231,204,.208) 33%, rgba(192,231,204,.149) 42%,
    rgba(192,231,204,.099) 50%, rgba(192,231,204,.062) 58%, rgba(192,231,204,.035) 67%,
    rgba(192,231,204,.019) 75%, rgba(192,231,204,.009) 83%, rgba(192,231,204,.004) 92%,
    rgba(192,231,204,0) 100%);
  animation: breathe 11.9s ease-in-out infinite alternate-reverse;
}

/* 足もと */
.site-foot { border-top: 1px solid var(--rule); }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2em 2em; padding-top: 40px; padding-bottom: 40px; }
.foot-brand { font-size: 1.1875rem; font-weight: 300; letter-spacing: .18em; }
.foot-brand span { margin-left: 1em; font-size: 0.9375rem; letter-spacing: .04em; color: var(--sub); }
.foot-nav { display: flex; flex-wrap: wrap; gap: .4em 1.8em; font-size: 1rem; letter-spacing: .08em; }
.foot-nav a:hover { color: var(--sub); }
.copyright { font-size: 0.875rem; letter-spacing: .1em; color: var(--sub); }

/* 見つからないページ */
.notfound { min-height: calc(100svh - var(--head)); display: flex; flex-direction: column; justify-content: center; gap: 1.6em; }
.notfound h1 { font-size: clamp(1.5rem, 2.4vw, 2.25rem); font-weight: 300; letter-spacing: .12em; line-height: 1.6; }

/* ------------------------------------------------------------ 狭い画面 */

@media (max-width: 1080px) {
  .nav { gap: 1.4em; font-size: 1.0625rem; }
}

@media (max-width: 820px) {
  :root { --head: 64px; }
  body { font-size: 1.0625rem; }
  .logo { font-size: 1.3125rem; }

  .menu-btn { display: block; }
  .nav {
    position: fixed;
    top: var(--head);
    left: 0; right: 0; bottom: 0;
    height: calc(100dvh - var(--head));
    flex-direction: column;
    gap: 0;
    padding: 24px var(--side);
    background: var(--paper);
    font-size: 1.5rem;
    letter-spacing: .14em;
    visibility: hidden;
    opacity: 0;
    transition: opacity .35s, visibility 0s .35s;
  }
  .nav a { padding: .9em 0; border-bottom: 1px solid var(--rule); }
  .nav a::after { display: none; }
  .site-head.open .nav { visibility: visible; opacity: 1; transition: opacity .35s; }
  .site-head.open { background: var(--paper); }

  .hero { grid-template-columns: 1fr; height: auto; padding: 0; }
  .hero-photos { order: -1; height: 62svh; }
  .slide { --x: var(--tx); --y: var(--ty); --f: var(--tf, 50%); --g: var(--tg, 50%); --ar: var(--tar, .6667); }
  .slide .spot { width: 44%; }
  .hero-text { padding: 36px var(--side) 0; }
  .brand-ja { font-size: 2.75rem; }
  .brand-en { font-size: 1.6875rem; }
  .copy { margin-top: 1.6em; font-size: 1.4375rem; }
  .day-now { position: static; margin-top: 2.4em; }

  .cards, .split, .making-body, .contact-in { grid-template-columns: 1fr; }
  .split-photo { aspect-ratio: 1 / 1; }
  .plate { aspect-ratio: 4 / 3; }
  .news li { grid-template-columns: 1fr; gap: 0; }
  .profile { grid-template-columns: 5.2em 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .logo-light, .spot, .glow i, .day-bars button.on::after { animation: none; }
  .slide.on .zoom, .card:hover .zoom { transform: none; }
  .js .sec { transition: none; opacity: 1; transform: none; }
}