/* ================================================================
   IKEHAYA OFFICIAL — style.css
   和モダン × エディトリアル
================================================================ */

:root {
  --paper: #f4f2ed;        /* 生成り */
  --paper-deep: #ebe8e1;
  --ink: #17171a;          /* 墨 */
  --ink-soft: #5b5b60;
  --night: #0d131f;        /* 藍鉄 */
  --night-2: #131c2c;
  --vermilion: #c8442e;    /* 朱 */
  --vermilion-soft: #d96a52;
  --hairline: rgba(23, 23, 26, 0.10);
  --hairline-w: rgba(244, 242, 237, 0.14);
  --font-min: "Shippori Mincho B1", serif;
  --font-got: "Zen Kaku Gothic New", sans-serif;
  --font-en: "Inter", sans-serif;
  --pad: clamp(20px, 5vw, 72px);
  --maxw: 1480px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-got);
  background: var(--paper);
  color: var(--ink);
  line-height: 2;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.serif { font-family: var(--font-min); }
.en { font-family: var(--font-en); letter-spacing: 0.16em; }

::selection { background: var(--vermilion); color: #fff; }

/* ---------------- film grain & grid lines ---------------- */
.grain {
  position: fixed; inset: -50%; z-index: 2000; pointer-events: none;
  width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  animation: grain 9s steps(10) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); } 10% { transform: translate(-3%,-2%); }
  30% { transform: translate(2%,-4%); } 50% { transform: translate(-4%,3%); }
  70% { transform: translate(3%,2%); } 90% { transform: translate(-2%,4%); }
}
.gridlines {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.gridlines span { border-left: 1px solid rgba(23,23,26,0.035); }
.gridlines span:first-child { border-left: none; }

/* ---------------- loader ---------------- */
.loader {
  position: fixed; inset: 0; z-index: 3000; background: var(--night);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.9s var(--ease);
}
.loader.done { transform: translateY(-101%); }
.loader-mark {
  color: var(--paper); font-family: var(--font-min); font-weight: 600;
  font-size: clamp(20px, 3vw, 28px); letter-spacing: 0.42em; text-indent: 0.42em;
  opacity: 0; animation: loaderIn 0.8s var(--ease) 0.1s forwards;
}
@keyframes loaderIn { to { opacity: 1; } }

/* ---------------- header ---------------- */
.site-head {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--pad);
  color: var(--paper);
  transition: color 0.4s, background 0.4s, padding 0.4s, box-shadow 0.4s;
}
.site-head.solid {
  color: var(--ink);
  background: rgba(244, 242, 237, 0.82);
  backdrop-filter: blur(14px);
  padding: 14px var(--pad);
  box-shadow: 0 1px 0 var(--hairline);
}
.head-brand { display: flex; flex-direction: column; line-height: 1.3; }
.head-brand b { font-family: var(--font-min); font-weight: 800; font-size: 17px; letter-spacing: 0.22em; }
.head-brand small { font-size: 8px; letter-spacing: 0.34em; opacity: 0.6; font-family: var(--font-en); font-weight: 600; }
.head-nav { display: flex; gap: 34px; align-items: center; }
.head-nav a:not(.head-cta) {
  font-size: 11px; font-weight: 600; letter-spacing: 0.22em;
  font-family: var(--font-en);
  position: relative; padding: 4px 0; opacity: 0.85;
}
.head-nav a:not(.head-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.head-nav a:not(.head-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.head-cta {
  font-size: 12px; font-weight: 700; letter-spacing: 0.18em;
  border: 1px solid currentColor; border-radius: 999px;
  padding: 9px 26px; transition: background 0.35s var(--ease), color 0.35s, border-color 0.35s;
}
.head-cta:hover { background: var(--vermilion); border-color: var(--vermilion); color: #fff; }
@media (max-width: 920px) { .head-nav a:not(.head-cta) { display: none; } }

/* ---------------- hero ---------------- */
.hero {
  position: relative; min-height: 100svh; color: var(--paper);
  background: var(--night); overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero-bg, #webgl { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-bg { object-fit: cover; opacity: 0.85; }
#webgl { z-index: 1; }
.hero-shade {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(to bottom, rgba(13,19,31,0.45) 0%, rgba(13,19,31,0.05) 38%, rgba(13,19,31,0.16) 62%, rgba(13,19,31,0.86) 100%);
}
.hero-inner {
  position: relative; z-index: 3; width: 100%;
  padding: 0 var(--pad) clamp(36px, 6vh, 72px);
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 16px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.42em;
  color: rgba(244,242,237,0.8); margin-bottom: clamp(18px, 3vh, 30px);
}
.hero-eyebrow::before { content: ""; width: 48px; height: 1px; background: var(--vermilion); }
.hero-title {
  font-family: var(--font-min); font-weight: 600;
  font-size: clamp(38px, 7.2vw, 104px);
  line-height: 1.42; letter-spacing: 0.06em;
  text-shadow: 0 4px 60px rgba(13,19,31,0.5);
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .ch {
  display: inline-block; transform: translateY(115%);
  transition: transform 1.1s var(--ease);
}
.hero-title.in .ch { transform: translateY(0); }
.hero-title .accent { color: var(--vermilion-soft); }
.hero-sub {
  margin-top: clamp(18px, 3vh, 30px); max-width: 560px;
  font-size: 13.5px; line-height: 2.3; color: rgba(244,242,237,0.72);
}
.hero-foot {
  margin-top: clamp(28px, 5vh, 56px);
  border-top: 1px solid var(--hairline-w);
  padding-top: 22px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.hero-stats { display: flex; gap: clamp(24px, 4vw, 64px); flex-wrap: wrap; }
.hstat small { display: block; font-size: 9px; letter-spacing: 0.3em; color: rgba(244,242,237,0.55); font-family: var(--font-en); font-weight: 600; margin-bottom: 2px; }
.hstat b { font-family: var(--font-en); font-weight: 400; font-size: clamp(26px, 2.6vw, 38px); letter-spacing: 0.02em; }
.hstat b i { font-style: normal; font-family: var(--font-min); font-size: 0.45em; margin-left: 3px; letter-spacing: 0.1em; }
.hero-scroll {
  display: flex; align-items: center; gap: 12px;
  font-size: 9px; letter-spacing: 0.4em; color: rgba(244,242,237,0.6);
  font-family: var(--font-en); font-weight: 600;
}
.hero-scroll::after {
  content: ""; width: 64px; height: 1px; background: rgba(244,242,237,0.4);
  position: relative; overflow: hidden; display: block;
}
.hero-vertical {
  position: absolute; z-index: 3; right: clamp(16px, 3vw, 44px); top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl; font-feature-settings: "vpal";
  font-family: var(--font-min); font-size: 12px; letter-spacing: 0.5em;
  color: rgba(244,242,237,0.55);
  display: flex; gap: 18px; align-items: center;
}
.hero-vertical::after { content: ""; width: 1px; height: 72px; background: rgba(244,242,237,0.3); }
@media (max-width: 760px) { .hero-vertical { display: none; } }

/* ---------------- marquee ---------------- */
.marquee {
  background: var(--night); color: var(--paper);
  overflow: hidden; padding: 20px 0 26px;
  border-top: 1px solid var(--hairline-w);
  user-select: none;
}
.marquee-track { display: flex; gap: 0; width: max-content; will-change: transform; }
.marquee-track span {
  font-family: var(--font-en); font-weight: 600;
  font-size: clamp(28px, 4vw, 56px); letter-spacing: 0.06em;
  white-space: nowrap; padding-right: 24px;
  color: transparent; -webkit-text-stroke: 1px rgba(244,242,237,0.4);
}
.marquee-track span em { font-style: normal; color: var(--vermilion); -webkit-text-stroke: 0; }

/* ---------------- section scaffolding ---------------- */
.section { position: relative; padding: clamp(96px, 14vh, 180px) var(--pad); }
.section-inner { max-width: var(--maxw); margin: 0 auto; position: relative; }
.sec-head { display: grid; grid-template-columns: auto 1fr; gap: clamp(20px, 4vw, 64px); align-items: start; margin-bottom: clamp(48px, 8vh, 96px); }
.sec-no {
  font-family: var(--font-en); font-weight: 400; font-size: 12px; letter-spacing: 0.2em;
  padding-top: 10px; color: var(--vermilion);
  display: flex; align-items: center; gap: 12px;
}
.sec-no::after { content: ""; width: clamp(32px, 5vw, 80px); height: 1px; background: var(--vermilion); }
.sec-titles .en-label {
  font-family: var(--font-en); font-size: 10px; font-weight: 600; letter-spacing: 0.42em;
  color: var(--ink-soft); display: block; margin-bottom: 14px;
}
.sec-title {
  font-family: var(--font-min); font-weight: 600;
  font-size: clamp(30px, 4.6vw, 58px); line-height: 1.5; letter-spacing: 0.08em;
}
.sec-lede { margin-top: 22px; max-width: 600px; color: var(--ink-soft); font-size: 14px; line-height: 2.4; }

/* reveal */
.rv { opacity: 0; transform: translateY(36px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.rv-img { overflow: hidden; }
.rv-img img { transform: scale(1.12); transition: transform 1.6s var(--ease); }
.rv-img.in img { transform: scale(1); }

/* ---------------- 01 about ---------------- */
.about-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
@media (max-width: 920px) { .about-grid { grid-template-columns: 1fr; } }
@media (min-width: 921px) { .about-figure { position: sticky; top: 96px; } }
.about-figure .frame { position: relative; overflow: hidden; }
.about-figure img { width: 100%; aspect-ratio: 4/5; object-fit: cover; will-change: transform; }
.about-figure figcaption {
  margin-top: 14px; display: flex; justify-content: space-between;
  font-size: 9px; letter-spacing: 0.3em; color: var(--ink-soft);
  font-family: var(--font-en); font-weight: 600;
}
.about-name { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.about-name h3 { font-family: var(--font-min); font-weight: 800; font-size: clamp(30px, 3.4vw, 44px); letter-spacing: 0.14em; }
.about-name span { font-family: var(--font-en); font-size: 10px; letter-spacing: 0.32em; color: var(--ink-soft); font-weight: 600; }
.about-roles {
  margin: 16px 0 28px; font-size: 12px; letter-spacing: 0.14em; color: var(--vermilion);
  font-weight: 700; line-height: 2.2;
}
.about-bio p { color: var(--ink-soft); font-size: 14px; line-height: 2.5; }
.about-bio p + p { margin-top: 1.2em; }
.about-quote {
  margin: clamp(36px, 6vh, 56px) 0;
  font-family: var(--font-min); font-weight: 600;
  font-size: clamp(22px, 2.6vw, 32px); letter-spacing: 0.12em; line-height: 1.9;
  padding-left: 26px; border-left: 2px solid var(--vermilion);
}
.about-quote small { display: block; font-size: 10px; color: var(--ink-soft); font-family: var(--font-en); letter-spacing: 0.3em; margin-top: 10px; font-weight: 600; }

/* timeline */
.timeline { margin-top: clamp(40px, 7vh, 64px); border-top: 1px solid var(--hairline); }
.tl-row {
  display: grid; grid-template-columns: 90px 1fr; gap: 20px;
  padding: 22px 0; border-bottom: 1px solid var(--hairline);
  transition: background 0.3s, padding-left 0.4s var(--ease);
}
.tl-row:hover { padding-left: 10px; }
.tl-year { font-family: var(--font-en); font-weight: 400; font-size: 17px; letter-spacing: 0.06em; color: var(--vermilion); padding-top: 3px; }
.tl-row h4 { font-size: 15px; font-weight: 700; letter-spacing: 0.08em; }
.tl-row p { font-size: 12.5px; color: var(--ink-soft); margin-top: 4px; line-height: 2.1; }

/* ---------------- 02 meikyou ---------------- */
.meikyou { background: var(--night); color: var(--paper); overflow: clip; position: relative; }
.meikyou-bg {
  position: absolute; inset: -12% 0; z-index: 0; pointer-events: none;
}
.meikyou-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; will-change: transform; }
.meikyou-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom, var(--night) 0%, rgba(13,19,31,0.25) 30%, rgba(13,19,31,0.45) 70%, var(--night) 100%);
}
.meikyou .section-inner { z-index: 1; }
.meikyou .sec-titles .en-label, .meikyou .sec-lede { color: rgba(244,242,237,0.6); }
.meikyou-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: end; }
@media (max-width: 920px) { .meikyou-grid { grid-template-columns: 1fr; align-items: start; } }
.meikyou-display {
  font-family: var(--font-min); font-weight: 600;
  font-size: clamp(96px, 16vw, 220px); line-height: 1.1; letter-spacing: 0.08em;
}
.meikyou-display small {
  display: block; font-size: 11px; font-family: var(--font-en); font-weight: 600;
  letter-spacing: 0.5em; color: rgba(244,242,237,0.55); margin-top: 18px;
}
.meikyou-release {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: 10px; font-weight: 600; letter-spacing: 0.3em;
  color: var(--vermilion-soft); border: 1px solid rgba(200,68,46,0.5);
  padding: 7px 18px; border-radius: 999px; margin-bottom: 26px;
}
.meikyou-copy { font-size: 14px; line-height: 2.5; color: rgba(244,242,237,0.78); }
.meikyou-points { margin: 26px 0 0; display: grid; gap: 8px; }
.meikyou-points li { display: flex; gap: 14px; font-size: 13px; color: rgba(244,242,237,0.85); align-items: baseline; }
.meikyou-points li::before { content: "—"; color: var(--vermilion-soft); flex-shrink: 0; }
.chapters { margin-top: clamp(48px, 8vh, 88px); border-top: 1px solid var(--hairline-w); }
.chapter {
  display: grid; grid-template-columns: 70px 1fr auto; gap: 18px; align-items: center;
  padding: 19px 4px; border-bottom: 1px solid var(--hairline-w);
  transition: padding-left 0.4s var(--ease), background 0.3s;
}
.chapter:hover { padding-left: 16px; background: rgba(244,242,237,0.03); }
.chapter i { font-style: normal; font-family: var(--font-en); font-size: 11px; letter-spacing: 0.2em; color: var(--vermilion-soft); }
.chapter span { font-family: var(--font-min); font-size: clamp(15px, 1.6vw, 19px); font-weight: 600; letter-spacing: 0.1em; }
.chapter em { font-style: normal; font-family: var(--font-en); font-size: 11px; color: rgba(244,242,237,0.4); letter-spacing: 0.18em; }
.meikyou-cta { margin-top: clamp(40px, 7vh, 64px); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.2em;
  padding: 17px 44px; border-radius: 999px;
  border: 1px solid currentColor;
  position: relative; overflow: hidden;
  transition: color 0.45s var(--ease), border-color 0.45s;
}
.btn::before {
  content: ""; position: absolute; inset: 0; background: var(--vermilion);
  transform: translateY(101%); transition: transform 0.45s var(--ease);
  border-radius: inherit;
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { color: #fff; border-color: var(--vermilion); }
.btn span { position: relative; z-index: 1; }
.btn .arw { position: relative; z-index: 1; transition: transform 0.4s var(--ease); }
.btn:hover .arw { transform: translateX(5px); }
.btn-fill { background: var(--vermilion); border-color: var(--vermilion); color: #fff; }
.btn-fill::before { background: var(--ink); }

/* ---------------- 03 cryptoninja ---------------- */
.cn-brand { overflow: hidden; margin-bottom: clamp(56px, 9vh, 104px); }
.cn-brand img { width: 100%; aspect-ratio: 2/1; object-fit: cover; will-change: transform; }
@media (max-width: 760px) { .cn-brand img { aspect-ratio: 16/10; } }
.cn-feature {
  display: grid; grid-template-columns: 5fr 7fr;
  gap: clamp(32px, 5vw, 88px); align-items: center;
  margin-bottom: clamp(56px, 9vh, 104px);
}
.cn-poster { margin: 0; }
.cn-poster .frame {
  overflow: hidden;
  box-shadow: 0 36px 80px rgba(23,23,26,0.28);
}
.cn-poster img { width: 100%; display: block; }
.cn-poster figcaption {
  margin-top: 12px; font-size: 9px; letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.cn-card { position: relative; max-width: 640px; }
@media (max-width: 860px) {
  .cn-feature { grid-template-columns: 1fr; }
  .cn-poster { max-width: 400px; margin: 0 auto; }
}
.cn-card .en-label { font-family: var(--font-en); font-size: 9px; font-weight: 600; letter-spacing: 0.42em; color: var(--vermilion); display: block; margin-bottom: 14px; }
.cn-card h3 { font-family: var(--font-min); font-weight: 600; font-size: clamp(21px, 2.4vw, 30px); letter-spacing: 0.1em; line-height: 1.7; }
.cn-card > p { margin-top: 14px; font-size: 13px; color: var(--ink-soft); line-height: 2.3; }
.seasons { margin: 24px 0 30px; border-top: 1px solid var(--hairline); }
.season {
  display: grid; grid-template-columns: 86px 1fr; gap: 18px;
  padding: 12px 2px; border-bottom: 1px solid var(--hairline);
  font-size: 13px; align-items: baseline;
}
.season b { font-family: var(--font-min); color: var(--vermilion); font-weight: 800; letter-spacing: 0.2em; font-size: 13px; }
.season span { color: var(--ink-soft); font-size: 12.5px; }

.projects-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.projects-head h4 { font-family: var(--font-min); font-size: 19px; font-weight: 600; letter-spacing: 0.14em; }
.projects-head span { font-family: var(--font-en); font-size: 9px; letter-spacing: 0.34em; color: var(--ink-soft); font-weight: 600; }
.projects { border-top: 1px solid var(--hairline); }
.project {
  display: grid; grid-template-columns: 56px 200px 1fr 24px; gap: 22px; align-items: center;
  padding: 21px 4px; border-bottom: 1px solid var(--hairline);
  transition: padding-left 0.4s var(--ease), background 0.3s;
}
.project:hover { padding-left: 18px; background: rgba(200,68,46,0.04); }
.project i { font-style: normal; font-family: var(--font-en); font-size: 10px; letter-spacing: 0.2em; color: var(--ink-soft); }
.project b { font-size: 15px; font-weight: 700; letter-spacing: 0.1em; }
.project p { font-size: 12px; color: var(--ink-soft); }
.project .arw { color: var(--vermilion); transition: transform 0.35s var(--ease); font-size: 14px; }
.project:hover .arw { transform: translate(4px, -4px); }
@media (max-width: 860px) {
  .project { grid-template-columns: 1fr 24px; gap: 6px 16px; }
  .project i { display: none; }
  .project p { grid-column: 1; }
  .project .arw { grid-row: 1; grid-column: 2; }
}

/* ---------------- 04 books ---------------- */
.books { background: var(--paper-deep); overflow: clip; }
.shelf-wrap { position: relative; }
.shelf {
  display: flex; align-items: flex-start; gap: clamp(26px, 3.4vw, 52px);
  overflow-x: auto; padding: 26px 4px 34px;
  scrollbar-width: none; cursor: grab;
}
.shelf::-webkit-scrollbar { display: none; }
.shelf.dragging { cursor: grabbing; }
.book {
  flex: 0 0 auto; user-select: none;
  display: flex; flex-direction: column; align-items: center;
}
.bk-img {
  height: clamp(230px, 24vw, 330px); width: auto; display: block;
  box-shadow: 10px 18px 44px rgba(23,23,26,0.24);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.book:hover .bk-img {
  transform: translateY(-12px) rotate(-0.5deg);
  box-shadow: 14px 30px 60px rgba(23,23,26,0.32);
}
.book-meta { margin-top: 16px; width: 0; min-width: 100%; text-align: center; }
.book-meta b { display: block; font-size: 12.5px; font-weight: 700; line-height: 1.9; letter-spacing: 0.06em; }
.book-meta small { font-size: 10.5px; color: var(--ink-soft); font-family: var(--font-en); letter-spacing: 0.14em; }
.shelf-hint {
  display: flex; align-items: center; gap: 12px; margin-top: 6px;
  font-family: var(--font-en); font-size: 9px; letter-spacing: 0.34em; color: var(--ink-soft); font-weight: 600;
}
.shelf-hint::after { content: ""; flex: 0 0 56px; height: 1px; background: var(--ink-soft); opacity: 0.4; }

/* ---------------- podcast ---------------- */
.podcast { background: var(--paper-deep); }
.pods { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(22px, 3.5vw, 48px); }
@media (max-width: 860px) { .pods { grid-template-columns: 1fr; } }
.pod {
  display: grid; grid-template-columns: clamp(120px, 14vw, 176px) 1fr;
  gap: clamp(20px, 2.6vw, 36px); align-items: center;
  padding: clamp(22px, 3vw, 38px);
  background: var(--paper); border: 1px solid var(--hairline);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.3s;
}
.pod:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 56px rgba(23,23,26,0.12);
  border-color: rgba(200,68,46,0.4);
}
.pod-art {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  box-shadow: 8px 12px 32px rgba(23,23,26,0.18);
}
.pod-body .en-label {
  font-family: var(--font-en); font-size: 9px; font-weight: 600;
  letter-spacing: 0.34em; color: var(--vermilion); display: block; margin-bottom: 10px;
}
.pod-body h3 { font-family: var(--font-min); font-weight: 600; font-size: clamp(18px, 2vw, 23px); letter-spacing: 0.1em; line-height: 1.6; }
.pod-body p { margin-top: 10px; font-size: 12.5px; color: var(--ink-soft); line-height: 2.1; }
.pod-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 16px;
  font-family: var(--font-en); font-size: 10px; font-weight: 600; letter-spacing: 0.24em;
  color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 3px;
  transition: color 0.3s, border-color 0.3s;
}
.pod:hover .pod-link { color: var(--vermilion); border-color: var(--vermilion); }

/* ---------------- 06 senseki ---------------- */
.senseki {
  background: var(--night); color: var(--paper); text-align: center;
  position: relative; overflow: clip;
}
.senseki::before {
  content: "穿石"; position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-min); font-weight: 800;
  font-size: clamp(300px, 46vw, 700px); line-height: 1;
  color: rgba(244,242,237,0.025); pointer-events: none; white-space: nowrap;
}
.senseki-label { font-family: var(--font-en); font-size: 10px; font-weight: 600; letter-spacing: 0.5em; color: var(--vermilion-soft); }
.senseki-display {
  font-family: var(--font-min); font-weight: 600;
  font-size: clamp(64px, 11vw, 140px); letter-spacing: 0.24em; text-indent: 0.24em;
  margin: 18px 0 8px; line-height: 1.3;
}
.senseki-read { font-size: 11px; letter-spacing: 0.5em; color: rgba(244,242,237,0.5); font-family: var(--font-en); font-weight: 600; }
.senseki p.lede {
  max-width: 540px; margin: 36px auto 44px;
  font-size: 13.5px; line-height: 2.5; color: rgba(244,242,237,0.72);
}

/* substack */
.nl-substack {
  margin: clamp(56px, 9vh, 96px) auto 0; max-width: 880px;
  position: relative;
  background: rgba(244,242,237,0.05);
  border: 1px solid rgba(244,242,237,0.22);
  border-left: 4px solid var(--vermilion);
  padding: clamp(28px, 4vw, 48px) clamp(26px, 4.5vw, 56px);
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; text-align: left;
  transition: border-color 0.3s, background 0.3s, transform 0.4s var(--ease);
}
.nl-substack:hover { border-color: rgba(244,242,237,0.45); background: rgba(244,242,237,0.09); transform: translateY(-4px); }
@media (max-width: 760px) { .nl-substack { flex-direction: column; align-items: flex-start; } }
.nl-substack .en-label {
  font-family: var(--font-en); font-size: 10px; font-weight: 600;
  letter-spacing: 0.34em; color: var(--vermilion-soft); display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.nl-substack .nl-badge {
  background: var(--vermilion); color: #fff; border-radius: 4px;
  padding: 3px 10px; font-size: 9px; letter-spacing: 0.18em;
}
.nl-substack h3 { font-family: var(--font-min); font-weight: 600; font-size: clamp(21px, 2.4vw, 27px); letter-spacing: 0.1em; }
.nl-substack p { margin-top: 10px; font-size: 13px; color: rgba(244,242,237,0.78); line-height: 2.2; max-width: 480px; }
.btn-sm { padding: 13px 30px; font-size: 11px; flex-shrink: 0; }

/* ---------------- footer ---------------- */
.site-foot { background: #0a0a0c; color: var(--paper); padding: clamp(72px, 10vh, 120px) var(--pad) 36px; }
.foot-inner { max-width: var(--maxw); margin: 0 auto; }
.foot-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: clamp(48px, 8vh, 80px); }
.foot-brand h2 {
  font-family: var(--font-min); font-weight: 800;
  font-size: clamp(56px, 9vw, 120px); letter-spacing: 0.14em; line-height: 1.2;
}
.foot-brand p { margin-top: 10px; font-family: var(--font-en); font-size: 9px; letter-spacing: 0.5em; color: rgba(244,242,237,0.45); font-weight: 600; }
.foot-nav { display: flex; gap: clamp(36px, 5vw, 80px); flex-wrap: wrap; }
.foot-nav h5 { font-family: var(--font-en); font-size: 9px; font-weight: 600; letter-spacing: 0.4em; color: rgba(244,242,237,0.4); margin-bottom: 18px; }
.foot-nav ul { display: grid; gap: 10px; }
.foot-nav a { font-size: 12.5px; letter-spacing: 0.1em; opacity: 0.8; transition: opacity 0.3s, color 0.3s; }
.foot-nav a:hover { opacity: 1; color: var(--vermilion-soft); }
.foot-bottom {
  border-top: 1px solid rgba(244,242,237,0.12); padding-top: 26px;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  font-size: 10px; letter-spacing: 0.12em; color: rgba(244,242,237,0.45);
}
.foot-clock { font-family: var(--font-en); letter-spacing: 0.2em; }
.foot-note { width: 100%; font-size: 9.5px; color: rgba(244,242,237,0.3); line-height: 1.9; }

@media (prefers-reduced-motion: reduce) {
  .rv, .rv-img img, .hero-title .ch { transition: none !important; }
  .grain { animation: none; }
  html { scroll-behavior: auto; }
}